{ "name": "Digital Gemology Cut Performance Index", "url": "https://digitalgemology.com/learn/cut-performance-index", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "license": "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): use and share freely, with credit to Digital Gemology and a link to https://digitalgemology.com/learn/cut-performance-index", "materials": { "diamond": "Diamond", "moissanite": "Moissanite", "cubic-zirconia": "Cubic Zirconia", "ruby": "Ruby", "sapphire": "Sapphire", "emerald": "Emerald", "amethyst": "Amethyst" }, "metrics": { "overall": "Overall", "brilliance": "Brilliance", "fire": "Fire", "scintillation": "Scintillation", "tilt": "Tilt", "symmetry": "Symmetry", "spread": "Spread", "shape_norm": "Shape-norm", "leakage": "Leakage" }, "about": "Light-performance scores for every cut Digital Gemology sells, computed by our light-census ray tracer, in diamond, moissanite, cubic zirconia, ruby, sapphire, emerald and amethyst. Each stone is scored separately; never compare or rank across materials. Ruby and sapphire share one refractive index and dispersion in the engine, so their figures are the same. Color and absorption are not part of the trace. Scores are unrounded; status 'not yet scored' rows carry a reason instead of scores.", "cuts": [ { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "diamond", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 89.84599501826243, "brilliance": 92.93917481922585, "fire": 78.30663615560641, "scintillation": 80.25405875262283, "tilt": 92.19593990543176, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 99.93459657981273, "leakage": 1.9140791152700978 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "diamond", "status": "scored", "rank": 4, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 90.55189158638544, "brilliance": 95.21963824289406, "fire": 76.61691542288557, "scintillation": 90.30280321355949, "tilt": 87.25852130439928, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 102.38670778805815, "leakage": 1.3781223083548666 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "diamond", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.65079171849906, "brilliance": 92.57714762301919, "fire": 78.73873873873873, "scintillation": 98.36104462097865, "tilt": 92.54722931023508, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 99.54532002475182, "leakage": 2.1684737281067554 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "diamond", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 88.3885738188756, "brilliance": 94.60034013605443, "fire": 74.24719101123596, "scintillation": 80.25405875262283, "tilt": 84.87088585240943, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 101.72079584521981, "leakage": 2.295918367346939 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "diamond", "status": "scored", "rank": 5, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 90.40576031848548, "brilliance": 92.82051282051282, "fire": 78.49907918968692, "scintillation": 86.16236009973849, "tilt": 92.64908733952721, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 99.80700303280948, "leakage": 1.7094017094017093 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.359050519265, "brilliance": 69.28361138370951, "fire": 80.1699716713881, "scintillation": 72.4423190501405, "tilt": 79.11162868800801, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 91.16264655751252, "leakage": 11.334641805691854 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.557658633410675, "brilliance": 40.433925049309664, "fire": 62.113821138211385, "scintillation": 42.624657926256724, "tilt": 100, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 53.202532959617976, "leakage": 38.00131492439185 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 83.68289623548611, "brilliance": 79.83415001884659, "fire": 73.2766761095373, "scintillation": 84.87602403095042, "tilt": 91.57214238472625, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 92.83040699865882, "leakage": 9.31021485111195 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.48083434082214, "brilliance": 55.351521511017836, "fire": 87.1090047393365, "scintillation": 71.82307109050416, "tilt": 82.50890561595887, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 72.83094935660242, "leakage": 25.498426023084996 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.47084705041631, "brilliance": 63.72045220966084, "fire": 83.95161290322581, "scintillation": 71.82307109050416, "tilt": 78.53138162886219, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 83.84270027586953, "leakage": 17.317574511819117 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.92897014746212, "brilliance": 58.17547357926221, "fire": 84.83290488431876, "scintillation": 56.05459958235449, "tilt": 100, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 76.54667576218712, "leakage": 24.22731804586241 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.72833307696744, "brilliance": 64.05959031657356, "fire": 88.51744186046511, "scintillation": 85.53348233610049, "tilt": 87.36342774942631, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 74.487895716946, "leakage": 17.22532588454376 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.9120337844788, "brilliance": 71.24483233807993, "fire": 76.46679561573178, "scintillation": 66.34097247934363, "tilt": 97.00397631191906, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 93.74320044484202, "leakage": 17.593017914561322 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.9606826168944, "brilliance": 46.854304635761586, "fire": 92.46171967020024, "scintillation": 87.33928972109165, "tilt": 91.65262767374394, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 54.48174957646695, "leakage": 26.986754966887418 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.54834212765945, "brilliance": 53.36076817558299, "fire": 83.80462724935732, "scintillation": 75.88225289798486, "tilt": 79.72089607051046, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 62.047404855329056, "leakage": 21.604938271604937 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 86.37817408879579, "brilliance": 84.60554371002132, "fire": 65.37298387096774, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 90.97370291400142, "leakage": 12.665245202558635 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.20218313014455, "brilliance": 56.92307692307692, "fire": 82.98525798525799, "scintillation": 78.41849166013102, "tilt": 88.85705325578745, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 88.9423076923077, "leakage": 18.076923076923077 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 65.1432444495808, "brilliance": 31.547889241942805, "fire": 76.54676258992805, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 36.68359214179396, "leakage": 41.48887880163414 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 22, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.82119353792015, "brilliance": 72.41895261845387, "fire": 62.121212121212125, "scintillation": 66.34097247934363, "tilt": 89.85823566338978, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 84.20808444006263, "leakage": 12.369077306733168 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.22989104183159, "brilliance": 50.199203187250994, "fire": 77.08333333333333, "scintillation": 63.212055882855765, "tilt": 85.35225885225886, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 66.05158314111974, "leakage": 32.320717131474105 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 84.11479938704159, "brilliance": 85.0804868472713, "fire": 72.45039224734656, "scintillation": 78.41849166013102, "tilt": 86.3834275671407, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 111.9480090095675, "leakage": 9.658421672555948 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 30, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.39767718647731, "brilliance": 46.01827676240209, "fire": 89.07801418439716, "scintillation": 80.68801782132802, "tilt": 80.48332019963226, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 53.509624142328015, "leakage": 28.133159268929504 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.23495622911345, "brilliance": 52.80788177339902, "fire": 86.38059701492537, "scintillation": 34.44116630922144, "tilt": 94.38695195895522, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 69.48405496499872, "leakage": 25.41871921182266 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.48392599539712, "brilliance": 78.03940413262855, "fire": 83.3743842364532, "scintillation": 78.89279122089098, "tilt": 89.43131670771757, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 90.74349317747506, "leakage": 11.052378664103797 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "diamond", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.85957795357685, "brilliance": 66.73897324656544, "fire": 87.32394366197182, "scintillation": 80.25405875262283, "tilt": 87.14685993947771, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 77.60345726344818, "leakage": 12.653651482284888 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.7908416482925, "brilliance": 72.11449676823638, "fire": 84.18693982074264, "scintillation": 43.88560313525104, "tilt": 93.59868144263756, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 77.54246964326492, "leakage": 19.29824561403509 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.87944760951207, "brilliance": 64.5607476635514, "fire": 62.94151708164447, "scintillation": 60.675927913140185, "tilt": 100, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 69.42015877801225, "leakage": 17.27102803738318 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 20, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.49264219373006, "brilliance": 74.99005964214712, "fire": 68.39872746553553, "scintillation": 80.68801782132802, "tilt": 91.84223795562765, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 117.17196819085487, "leakage": 19.244532803180913 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.31387637383182, "brilliance": 58.81877022653722, "fire": 72.42090784044017, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 91.9043284789644, "leakage": 31.957928802588995 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 87.82412659386067, "brilliance": 90.26057240495514, "fire": 73.54472314245149, "scintillation": 80.68801782132802, "tilt": 93.02001283895547, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 125, "leakage": 5.254164886800512 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "diamond", "status": "scored", "rank": 7, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 88.60602787947498, "brilliance": 92.2847399829497, "fire": 78.84526558891454, "scintillation": 71.82307109050416, "tilt": 90.40880837888248, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 99.2309032074728, "leakage": 1.8755328218243819 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 35, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 63.148992327210365, "brilliance": 26.722532588454378, "fire": 82.22996515679442, "scintillation": 85.53348233610049, "tilt": 82.85428183146514, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 31.072712312156252, "leakage": 36.12662942271881 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 37, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.61788668195056, "brilliance": 12.267080745341614, "fire": 96.83544303797468, "scintillation": 50.89017704978449, "tilt": 100, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 16.140895717554756, "leakage": 72.82608695652173 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 87.79460085437509, "brilliance": 96.67228306655434, "fire": 66.9281045751634, "scintillation": 84.87602403095042, "tilt": 83.18594742799934, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 103.94869146941326, "leakage": 2.569502948609941 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 1, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 92.72996765367893, "brilliance": 94.84193011647254, "fire": 82.36842105263158, "scintillation": 98.0421697345087, "tilt": 90.4242485623938, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 101.98057001771241, "leakage": 2.6206322795341097 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 12, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 85.87496322444166, "brilliance": 88.04606830818109, "fire": 81.9124943617501, "scintillation": 59.792277672443696, "tilt": 88.98018933450665, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 102.3791491955594, "leakage": 6.59253375694996 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "diamond", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 92.57434581601656, "brilliance": 93.91891891891892, "fire": 80.17086330935251, "scintillation": 96.0133632176275, "tilt": 96.87807648617948, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 100.98808485905259, "leakage": 4.940878378378378 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "diamond", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "moissanite", "status": "scored", "rank": 7, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.04173238902001, "brilliance": 86.04849000425351, "fire": 97.2318339100346, "scintillation": 80.25405875262283, "tilt": 94.08489825963989, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 92.52525806908979, "leakage": 7.401105912377711 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "moissanite", "status": "scored", "rank": 5, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.66758989117014, "brilliance": 86.08957795004306, "fire": 96.74837418709355, "scintillation": 90.30280321355949, "tilt": 91.13341905852256, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 92.56943865596028, "leakage": 5.641688199827735 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "moissanite", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 92.8640454573137, "brilliance": 86.11342785654712, "fire": 97.23970944309927, "scintillation": 98.36104462097865, "tilt": 94.04930634283039, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 92.59508371671733, "leakage": 7.464553794829024 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "moissanite", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 90.93011060930611, "brilliance": 91.87925170068027, "fire": 91.11522443313281, "scintillation": 80.25405875262283, "tilt": 85.7450663621677, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 98.79489430180674, "leakage": 2.7636054421768708 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "moissanite", "status": "scored", "rank": 5, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.74170175223462, "brilliance": 87.00854700854701, "fire": 96.95481335952849, "scintillation": 86.16236009973849, "tilt": 93.75170316080693, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 93.55757742854517, "leakage": 7.264957264957265 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 22, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.10842288081415, "brilliance": 64.47497546614328, "fire": 93.6834094368341, "scintillation": 72.4423190501405, "tilt": 77.48976791654509, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 84.83549403439905, "leakage": 11.923454367026496 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 55.91921997031374, "brilliance": 32.21564760026298, "fire": 74.89795918367346, "scintillation": 42.624657926256724, "tilt": 100, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 42.389010000346026, "leakage": 42.01183431952663 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 85.17659094525929, "brilliance": 73.9163211458726, "fire": 92.7078021417644, "scintillation": 84.87602403095042, "tilt": 91.07887201233775, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 85.94921063473558, "leakage": 12.325669053901244 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.24676837056751, "brilliance": 50.83945435466946, "fire": 94.53044375644996, "scintillation": 71.82307109050416, "tilt": 82.43944636678201, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 66.89401888772298, "leakage": 27.229800629590766 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.9701462885513, "brilliance": 58.119218910585815, "fire": 92.74977895667551, "scintillation": 71.82307109050416, "tilt": 82.33209491704332, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 76.47265646129712, "leakage": 16.95786228160329 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.74139073484105, "brilliance": 57.128614157527416, "fire": 96.77137870855148, "scintillation": 56.05459958235449, "tilt": 100, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 75.16922915464134, "leakage": 26.42073778664008 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.27824576289476, "brilliance": 58.75232774674115, "fire": 93.50237717908082, "scintillation": 85.53348233610049, "tilt": 90.99379389378899, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 68.31666017062925, "leakage": 19.459962756052143 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 82.17206653040705, "brilliance": 66.97289848415251, "fire": 93.96433470507544, "scintillation": 66.34097247934363, "tilt": 99.68445049768364, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 88.12223484756909, "leakage": 19.751952227836473 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.88939014130713, "brilliance": 38.35540838852097, "fire": 95.39568345323741, "scintillation": 87.33928972109165, "tilt": 96.92839188201934, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 44.59931207967555, "leakage": 33.11258278145695 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.9444423040398, "brilliance": 49.10836762688614, "fire": 95.11173184357541, "scintillation": 75.88225289798486, "tilt": 83.39185953711093, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 57.102753054518764, "leakage": 21.67352537722908 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 4, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.84743066197328, "brilliance": 82.21748400852879, "fire": 95.4356846473029, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 88.40589678336428, "leakage": 9.978678038379531 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.73828941242004, "brilliance": 51.15384615384615, "fire": 95.28366370471633, "scintillation": 78.41849166013102, "tilt": 94.7542907902668, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 79.92788461538461, "leakage": 17.132867132867133 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.20171332674532, "brilliance": 33.18202451202905, "fire": 91.65526675786593, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 38.58374943259192, "leakage": 36.677258284157965 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 82.29268168742786, "brilliance": 70.92269326683292, "fire": 92.54571026722925, "scintillation": 66.34097247934363, "tilt": 88.33114708237375, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 82.46824798468944, "leakage": 10.972568578553616 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.25147023571263, "brilliance": 50.298804780876495, "fire": 90.0990099009901, "scintillation": 63.212055882855765, "tilt": 85.7949733434882, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 66.18263786957434, "leakage": 29.183266932270918 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 12, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 87.00913449072756, "brilliance": 82.25363172359638, "fire": 91.36038186157518, "scintillation": 78.41849166013102, "tilt": 87.65237829250424, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 108.22846279420578, "leakage": 10.954063604240282 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.24843302068871, "brilliance": 39.03394255874674, "fire": 95.9866220735786, "scintillation": 80.68801782132802, "tilt": 86.45003234375214, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 45.3883053008683, "leakage": 29.242819843342037 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 73.2112766829716, "brilliance": 52.216748768472904, "fire": 95.66037735849056, "scintillation": 34.44116630922144, "tilt": 92.7623820754717, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 68.70624837956962, "leakage": 19.60591133004926 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.48861508777745, "brilliance": 70.97549255165785, "fire": 94.71902505077861, "scintillation": 78.89279122089098, "tilt": 90.05036552535707, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 82.52964250192774, "leakage": 10.6679481018741 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "moissanite", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.51545933220422, "brilliance": 59.508315256688356, "fire": 93.31713244228433, "scintillation": 80.25405875262283, "tilt": 92.32748145975616, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 69.1957154147539, "leakage": 11.78597252349964 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 83.18390663544443, "brilliance": 76.63896583564174, "fire": 98.79518072289157, "scintillation": 43.88560313525104, "tilt": 88.9099949334043, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 82.40749014585133, "leakage": 12.465373961218837 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.51461261449913, "brilliance": 61.38317757009346, "fire": 88.30694275274055, "scintillation": 60.675927913140185, "tilt": 97.67187769697199, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 66.00341674203598, "leakage": 17.121495327102803 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 83.62912995215562, "brilliance": 71.37176938369781, "fire": 94.42896935933148, "scintillation": 80.68801782132802, "tilt": 96.41245425746901, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 111.51838966202783, "leakage": 14.950298210735587 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.37282861824393, "brilliance": 59.506472491909385, "fire": 84.90822569680489, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 92.97886326860841, "leakage": 28.681229773462782 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 89.05063697669759, "brilliance": 78.94062366510039, "fire": 95.23809523809524, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 123.34472447671936, "leakage": 9.055958991883811 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "moissanite", "status": "scored", "rank": 10, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 89.82114401560008, "brilliance": 85.25149190110827, "fire": 97.55, "scintillation": 71.82307109050416, "tilt": 93.24448897795592, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 91.66827086140675, "leakage": 7.757885763000853 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 35, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 66.90379840012238, "brilliance": 29.236499068901303, "fire": 98.08917197452229, "scintillation": 85.53348233610049, "tilt": 76.73291368586212, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 33.995929149885235, "leakage": 29.050279329608937 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 37, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 53.62437643773981, "brilliance": 19.79813664596273, "fire": 93.33333333333333, "scintillation": 50.89017704978449, "tilt": 72.94498381877023, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 26.050179797319384, "leakage": 58.07453416149068 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 95.13142099838264, "brilliance": 98.06234203875316, "fire": 99.5704467353952, "scintillation": 84.87602403095042, "tilt": 84.33650283078967, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 105.44337853629372, "leakage": 1.0530749789385003 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 3, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 91.96032370860222, "brilliance": 85.8153078202995, "fire": 92.6805622879302, "scintillation": 98.0421697345087, "tilt": 95.07716674590054, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 92.27452453795645, "leakage": 7.695507487520799 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 14, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 83.62312683114673, "brilliance": 70.77045274027006, "fire": 95.11784511784512, "scintillation": 59.792277672443696, "tilt": 100, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 82.29122411659309, "leakage": 14.416203335980937 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "moissanite", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 90.70812901473272, "brilliance": 84.2483108108108, "fire": 90.32581453634086, "scintillation": 96.0133632176275, "tilt": 97.76863210658226, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 90.58958151700087, "leakage": 12.45777027027027 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "moissanite", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "cubic-zirconia", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 92.76835980700602, "brilliance": 98.42620161633347, "fire": 86.7761452031115, "scintillation": 80.25405875262283, "tilt": 87.38978418499175, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 105.83462539390696, "leakage": 0.5954912803062526 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "cubic-zirconia", "status": "scored", "rank": 4, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 93.33185091918074, "brilliance": 98.36347975882859, "fire": 85.20140105078809, "scintillation": 90.30280321355949, "tilt": 86.92591591344515, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 105.76718253637482, "leakage": 0.9043927648578811 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "cubic-zirconia", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 94.5853037651867, "brilliance": 98.41534612176814, "fire": 87.03389830508475, "scintillation": 98.36104462097865, "tilt": 87.12239966036381, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 105.82295281910552, "leakage": 0.5838198498748958 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "cubic-zirconia", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 88.98137447711821, "brilliance": 92.26190476190476, "fire": 81.70506912442396, "scintillation": 80.25405875262283, "tilt": 86.88003042017871, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 99.2063492063492, "leakage": 6.5476190476190474 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "cubic-zirconia", "status": "scored", "rank": 5, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 93.21460772321055, "brilliance": 98.2905982905983, "fire": 86.69565217391305, "scintillation": 86.16236009973849, "tilt": 87.56016311527195, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 105.68881536623473, "leakage": 0.4700854700854701 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.8519878663197, "brilliance": 73.79784102060844, "fire": 88.49734042553192, "scintillation": 72.4423190501405, "tilt": 76.7759160074034, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 97.10242239553743, "leakage": 14.671246319921492 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.36975649941679, "brilliance": 45.89086127547666, "fire": 80.51575931232092, "scintillation": 42.624657926256724, "tilt": 82.89501668980593, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 60.38271220457456, "leakage": 37.8698224852071 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 12, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 88.3399631058932, "brilliance": 87.74971730116849, "fire": 86.8127147766323, "scintillation": 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"https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.50680727358973, "brilliance": 65.31346351490237, "fire": 88.59166011014949, "scintillation": 71.82307109050416, "tilt": 84.19065777660366, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 85.93876778276628, "leakage": 20.709146968139773 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.92289311615029, "brilliance": 63.758723828514455, "fire": 83.81548084440969, "scintillation": 56.05459958235449, "tilt": 100, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 83.89305766909797, "leakage": 21.236291126620138 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 20, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.82259454524414, "brilliance": 66.20111731843575, "fire": 92.9676511954993, "scintillation": 85.53348233610049, "tilt": 79.64305910280072, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 76.97804339352993, "leakage": 20.11173184357542 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 82.25567640925902, "brilliance": 75.83830960036748, "fire": 79.95154451847365, "scintillation": 66.34097247934363, "tilt": 96.75951811799598, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 99.78724947416774, "leakage": 16.352779053743685 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 20, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.8112117654054, "brilliance": 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97.16929472637261, "leakage": 11.484863046612206 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "cubic-zirconia", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 84.31155267685799, "brilliance": 72.81272595806219, "fire": 92.9493545183714, "scintillation": 80.25405875262283, "tilt": 89.82262096359962, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 84.66596041635138, "leakage": 14.316702819956616 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "cubic-zirconia", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.79568248273338, "brilliance": 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"material": "cubic-zirconia", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 87.12335428389713, "brilliance": 91.11204717775905, "fire": 73.2778548312529, "scintillation": 84.87602403095042, "tilt": 86.68636660474223, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 97.96994320189145, "leakage": 8.677337826453243 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "cubic-zirconia", "status": "scored", "rank": 2, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 94.88895659375368, "brilliance": 96.83860232945092, "fire": 89.86254295532646, "scintillation": 98.0421697345087, "tilt": 89.5533968598251, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 104.12752938650635, "leakage": 1.4143094841930117 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "cubic-zirconia", "status": "scored", "rank": 10, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 88.81177017089367, "brilliance": 92.6131850675139, "fire": 92.49571183533448, "scintillation": 59.792277672443696, "tilt": 83.53234275852634, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 107.68975007850453, "leakage": 5.202541699761715 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "cubic-zirconia", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 95.04841652147536, "brilliance": 99.74662162162163, "fire": 87.12955122777308, "scintillation": 96.0133632176275, "tilt": 88.24992201078479, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 107.25443185120606, "leakage": 0.1266891891891892 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "cubic-zirconia", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "ruby", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.05284279102518, "brilliance": 94.47043811144194, "fire": 36.965330932012606, "scintillation": 80.25405875262283, "tilt": 75.3413589555674, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 101.5811162488623, "leakage": 5.40195661420672 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "ruby", "status": "scored", "rank": 7, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.31205178509647, "brilliance": 89.79328165374677, "fire": 36.2589928057554, "scintillation": 90.30280321355949, "tilt": 78.25580609338033, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 96.55191575671697, "leakage": 10.20671834625323 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "ruby", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.71201872557513, "brilliance": 93.86989157631359, "fire": 37.45002221235006, "scintillation": 98.36104462097865, "tilt": 75.4676077741228, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 100.9353672863587, "leakage": 6.046705587989992 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "ruby", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 81.7291785586945, "brilliance": 96.81122448979592, "fire": 43.39042599912165, "scintillation": 80.25405875262283, "tilt": 77.52108942849526, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 104.09809084924292, "leakage": 2.933673469387755 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "ruby", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.62274606248154, "brilliance": 94.95726495726495, "fire": 36.22862286228623, "scintillation": 86.16236009973849, "tilt": 75.60934428977905, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 102.10458597555372, "leakage": 5 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.55191090549971, "brilliance": 68.00785083415113, "fire": 52.5974025974026, "scintillation": 72.4423190501405, "tilt": 84.78394413729288, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 89.48401425546201, "leakage": 28.99901864573111 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 35, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 52.340677321240456, "brilliance": 52.596975673898754, "fire": 53.25, "scintillation": 42.624657926256724, "tilt": 57.23350515463917, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 69.20654693934046, "leakage": 35.37146614069691 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 10, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.9248474684303, "brilliance": 88.31511496419148, "fire": 36.491677336747756, "scintillation": 84.87602403095042, "tilt": 72.1036561659245, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 102.69199414440871, "leakage": 11.006407840180927 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 61.31039542175782, "brilliance": 64.6379853095488, "fire": 47.48376623376623, "scintillation": 71.82307109050416, "tilt": 54.7291454460572, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 85.04998067045894, "leakage": 25.078698845750264 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 73.48734691453659, "brilliance": 71.42857142857143, "fire": 52.589928057553955, "scintillation": 71.82307109050416, "tilt": 85.72587185725872, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 93.98496240601504, "leakage": 22.147995889003084 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.95553381769467, "brilliance": 64.45663010967098, "fire": 45.475638051044086, "scintillation": 56.05459958235449, "tilt": 98.07895742770533, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 84.81135540746182, "leakage": 23.529411764705884 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.5736211502105, "brilliance": 55.121042830540034, "fire": 53.71621621621622, "scintillation": 85.53348233610049, "tilt": 56.37612944313976, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 64.09423584946516, "leakage": 39.19925512104283 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.78055949329182, "brilliance": 78.08911345888838, "fire": 33.470588235294116, "scintillation": 66.34097247934363, "tilt": 87.13468704207662, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 102.74883349853734, "leakage": 20.39503904455673 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.5427892356665, "brilliance": 66.2251655629139, "fire": 73.58333333333333, "scintillation": 87.33928972109165, "tilt": 58.216867469879524, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 77.00600646850454, "leakage": 25.77262693156733 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.57083650644194, "brilliance": 62.13991769547325, "fire": 55.96026490066225, "scintillation": 75.88225289798486, "tilt": 55.00473036896877, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 72.25571825055029, "leakage": 25.994513031550067 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 22, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.46719876777595, "brilliance": 69.29637526652452, "fire": 15.692307692307692, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 74.5122314693812, "leakage": 30.362473347547976 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.70428623029136, "brilliance": 67.6923076923077, "fire": 52.47933884297521, "scintillation": 78.41849166013102, "tilt": 75.57777138473341, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 105.76923076923077, "leakage": 27.412587412587413 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.170449347010155, "brilliance": 26.236949614162505, "fire": 68.5121107266436, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 30.508080946700588, "leakage": 67.09033136631865 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.13363600427888, "brilliance": 76.10972568578553, "fire": 25.229357798165136, "scintillation": 66.34097247934363, "tilt": 84.88342496697801, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 88.49968102998318, "leakage": 20.049875311720697 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 30, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.81364588626526, "brilliance": 41.43426294820717, "fire": 58.41346153846154, "scintillation": 63.212055882855765, "tilt": 80.75813609467455, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 54.5187670371147, "leakage": 51.99203187250996 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.20342309534585, "brilliance": 77.73851590106007, "fire": 45.05050505050505, "scintillation": 78.41849166013102, "tilt": 84.2196739430782, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 102.28752092244747, "leakage": 15.547703180212014 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 66.81349334152969, "brilliance": 59.07310704960835, "fire": 64.30939226519337, "scintillation": 80.68801782132802, "tilt": 52.07330104813224, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 68.68965936000971, "leakage": 23.368146214099216 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.172207283150726, "brilliance": 32.80788177339902, "fire": 53.753753753753756, "scintillation": 34.44116630922144, "tilt": 100, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 43.16826549131449, "leakage": 41.77339901477833 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.3913601779818, "brilliance": 85.67996155694378, "fire": 51.9910263600673, "scintillation": 78.89279122089098, "tilt": 74.85636500814572, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 99.62786227551602, "leakage": 11.869293608841902 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "ruby", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.32588950091849, "brilliance": 71.72812725958062, "fire": 58.66935483870968, "scintillation": 80.25405875262283, "tilt": 86.69389599555062, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 83.40479913904723, "leakage": 16.919739696312366 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.979660917151605, "brilliance": 35.91874422899354, "fire": 8.740359897172237, "scintillation": 43.88560313525104, "tilt": 100, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 38.6223056225737, "leakage": 53.69344413665743 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 66.07261624577878, "brilliance": 58.242990654205606, "fire": 39.66623876765083, "scintillation": 60.675927913140185, "tilt": 100, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 62.62687167118882, "leakage": 37.308411214953274 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.35121219322016, "brilliance": 46.163021868787276, "fire": 21.533161068044787, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 72.12972166998011, "leakage": 51.96819085487078 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.33655877901866, "brilliance": 50.16181229773463, "fire": 35.645161290322584, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 78.37783171521036, "leakage": 48.74595469255664 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.22415583594012, "brilliance": 77.91542076035883, "fire": 39.25438596491228, "scintillation": 80.68801782132802, "tilt": 87.34189537374789, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 121.74284493806067, "leakage": 21.614694574967963 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "ruby", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.10044238652813, "brilliance": 93.81926683716965, "fire": 38.66424352567015, "scintillation": 71.82307109050416, "tilt": 74.40505727493151, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 100.88093208297812, "leakage": 6.180733162830349 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.96095023366403, "brilliance": 18.435754189944134, "fire": 57.07070707070707, "scintillation": 85.53348233610049, "tilt": 92.25984181995912, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 21.436923476679226, "leakage": 54.56238361266294 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 37, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.42155765054046, "brilliance": 26.940993788819874, "fire": 71.7579250720461, "scintillation": 50.89017704978449, "tilt": 55.85741865084917, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 35.44867603792088, "leakage": 63.89751552795031 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 82.31789173825001, "brilliance": 99.53664700926706, "fire": 39.31443080829454, "scintillation": 84.87602403095042, "tilt": 76.07049055886607, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 107.02865269813661, "leakage": 0.4633529907329402 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.63426401486866, "brilliance": 89.72545757071548, "fire": 35.04867872044506, "scintillation": 98.0421697345087, "tilt": 83.35597840228407, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 96.47898663517793, "leakage": 10.232945091514143 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 20, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.50978067171927, "brilliance": 73.51072279586974, "fire": 34.305780659103185, "scintillation": 59.792277672443696, "tilt": 95.30765992847508, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 85.47758464636017, "leakage": 25.734710087370928 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "ruby", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.18015491681015, "brilliance": 85.43074324324324, "fire": 25.012357884330203, "scintillation": 96.0133632176275, "tilt": 81.16762494471473, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 91.8610142400465, "leakage": 14.569256756756756 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "ruby", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "sapphire", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.05284279102518, "brilliance": 94.47043811144194, "fire": 36.965330932012606, "scintillation": 80.25405875262283, "tilt": 75.3413589555674, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 101.5811162488623, "leakage": 5.40195661420672 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "sapphire", "status": "scored", "rank": 7, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.31205178509647, "brilliance": 89.79328165374677, "fire": 36.2589928057554, "scintillation": 90.30280321355949, "tilt": 78.25580609338033, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 96.55191575671697, "leakage": 10.20671834625323 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "sapphire", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 80.71201872557513, "brilliance": 93.86989157631359, "fire": 37.45002221235006, "scintillation": 98.36104462097865, "tilt": 75.4676077741228, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 100.9353672863587, "leakage": 6.046705587989992 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "sapphire", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 81.7291785586945, "brilliance": 96.81122448979592, "fire": 43.39042599912165, "scintillation": 80.25405875262283, "tilt": 77.52108942849526, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 104.09809084924292, "leakage": 2.933673469387755 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "sapphire", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.62274606248154, "brilliance": 94.95726495726495, "fire": 36.22862286228623, "scintillation": 86.16236009973849, "tilt": 75.60934428977905, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 102.10458597555372, "leakage": 5 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.55191090549971, "brilliance": 68.00785083415113, "fire": 52.5974025974026, "scintillation": 72.4423190501405, "tilt": 84.78394413729288, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 89.48401425546201, "leakage": 28.99901864573111 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 35, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 52.340677321240456, "brilliance": 52.596975673898754, "fire": 53.25, "scintillation": 42.624657926256724, "tilt": 57.23350515463917, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 69.20654693934046, "leakage": 35.37146614069691 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 10, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.9248474684303, "brilliance": 88.31511496419148, "fire": 36.491677336747756, "scintillation": 84.87602403095042, "tilt": 72.1036561659245, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 102.69199414440871, "leakage": 11.006407840180927 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 61.31039542175782, "brilliance": 64.6379853095488, "fire": 47.48376623376623, "scintillation": 71.82307109050416, "tilt": 54.7291454460572, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 85.04998067045894, "leakage": 25.078698845750264 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 73.48734691453659, "brilliance": 71.42857142857143, "fire": 52.589928057553955, "scintillation": 71.82307109050416, "tilt": 85.72587185725872, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 93.98496240601504, "leakage": 22.147995889003084 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.95553381769467, "brilliance": 64.45663010967098, "fire": 45.475638051044086, "scintillation": 56.05459958235449, "tilt": 98.07895742770533, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 84.81135540746182, "leakage": 23.529411764705884 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.5736211502105, "brilliance": 55.121042830540034, "fire": 53.71621621621622, "scintillation": 85.53348233610049, "tilt": 56.37612944313976, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 64.09423584946516, "leakage": 39.19925512104283 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.78055949329182, "brilliance": 78.08911345888838, "fire": 33.470588235294116, "scintillation": 66.34097247934363, "tilt": 87.13468704207662, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 102.74883349853734, "leakage": 20.39503904455673 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.5427892356665, "brilliance": 66.2251655629139, "fire": 73.58333333333333, "scintillation": 87.33928972109165, "tilt": 58.216867469879524, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 77.00600646850454, "leakage": 25.77262693156733 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.57083650644194, "brilliance": 62.13991769547325, "fire": 55.96026490066225, "scintillation": 75.88225289798486, "tilt": 55.00473036896877, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 72.25571825055029, "leakage": 25.994513031550067 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 22, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.46719876777595, "brilliance": 69.29637526652452, "fire": 15.692307692307692, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 74.5122314693812, "leakage": 30.362473347547976 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.70428623029136, "brilliance": 67.6923076923077, "fire": 52.47933884297521, "scintillation": 78.41849166013102, "tilt": 75.57777138473341, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 105.76923076923077, "leakage": 27.412587412587413 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.170449347010155, "brilliance": 26.236949614162505, "fire": 68.5121107266436, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 30.508080946700588, "leakage": 67.09033136631865 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.13363600427888, "brilliance": 76.10972568578553, "fire": 25.229357798165136, "scintillation": 66.34097247934363, "tilt": 84.88342496697801, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 88.49968102998318, "leakage": 20.049875311720697 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 30, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.81364588626526, "brilliance": 41.43426294820717, "fire": 58.41346153846154, "scintillation": 63.212055882855765, "tilt": 80.75813609467455, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 54.5187670371147, "leakage": 51.99203187250996 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.20342309534585, "brilliance": 77.73851590106007, "fire": 45.05050505050505, "scintillation": 78.41849166013102, "tilt": 84.2196739430782, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 102.28752092244747, "leakage": 15.547703180212014 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 66.81349334152969, "brilliance": 59.07310704960835, "fire": 64.30939226519337, "scintillation": 80.68801782132802, "tilt": 52.07330104813224, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 68.68965936000971, "leakage": 23.368146214099216 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.172207283150726, "brilliance": 32.80788177339902, "fire": 53.753753753753756, "scintillation": 34.44116630922144, "tilt": 100, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 43.16826549131449, "leakage": 41.77339901477833 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.3913601779818, "brilliance": 85.67996155694378, "fire": 51.9910263600673, "scintillation": 78.89279122089098, "tilt": 74.85636500814572, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 99.62786227551602, "leakage": 11.869293608841902 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "sapphire", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 76.32588950091849, "brilliance": 71.72812725958062, "fire": 58.66935483870968, "scintillation": 80.25405875262283, "tilt": 86.69389599555062, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 83.40479913904723, "leakage": 16.919739696312366 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.979660917151605, "brilliance": 35.91874422899354, "fire": 8.740359897172237, "scintillation": 43.88560313525104, "tilt": 100, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 38.6223056225737, "leakage": 53.69344413665743 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 66.07261624577878, "brilliance": 58.242990654205606, "fire": 39.66623876765083, "scintillation": 60.675927913140185, "tilt": 100, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 62.62687167118882, "leakage": 37.308411214953274 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.35121219322016, "brilliance": 46.163021868787276, "fire": 21.533161068044787, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 72.12972166998011, "leakage": 51.96819085487078 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.33655877901866, "brilliance": 50.16181229773463, "fire": 35.645161290322584, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 78.37783171521036, "leakage": 48.74595469255664 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.22415583594012, "brilliance": 77.91542076035883, "fire": 39.25438596491228, "scintillation": 80.68801782132802, "tilt": 87.34189537374789, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 121.74284493806067, "leakage": 21.614694574967963 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "sapphire", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 78.10044238652813, "brilliance": 93.81926683716965, "fire": 38.66424352567015, "scintillation": 71.82307109050416, "tilt": 74.40505727493151, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 100.88093208297812, "leakage": 6.180733162830349 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.96095023366403, "brilliance": 18.435754189944134, "fire": 57.07070707070707, "scintillation": 85.53348233610049, "tilt": 92.25984181995912, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 21.436923476679226, "leakage": 54.56238361266294 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 37, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.42155765054046, "brilliance": 26.940993788819874, "fire": 71.7579250720461, "scintillation": 50.89017704978449, "tilt": 55.85741865084917, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 35.44867603792088, "leakage": 63.89751552795031 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 82.31789173825001, "brilliance": 99.53664700926706, "fire": 39.31443080829454, "scintillation": 84.87602403095042, "tilt": 76.07049055886607, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 107.02865269813661, "leakage": 0.4633529907329402 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 79.63426401486866, "brilliance": 89.72545757071548, "fire": 35.04867872044506, "scintillation": 98.0421697345087, "tilt": 83.35597840228407, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 96.47898663517793, "leakage": 10.232945091514143 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 20, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.50978067171927, "brilliance": 73.51072279586974, "fire": 34.305780659103185, "scintillation": 59.792277672443696, "tilt": 95.30765992847508, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 85.47758464636017, "leakage": 25.734710087370928 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "sapphire", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.18015491681015, "brilliance": 85.43074324324324, "fire": 25.012357884330203, "scintillation": 96.0133632176275, "tilt": 81.16762494471473, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 91.8610142400465, "leakage": 14.569256756756756 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "sapphire", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "emerald", "status": "scored", "rank": 5, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 72.55399605052885, "brilliance": 78.22203317737133, "fire": 39.04295812941816, "scintillation": 80.25405875262283, "tilt": 76.88939969587229, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 84.10971309394766, "leakage": 21.77796682262867 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "emerald", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.44930278079805, "brilliance": 71.40396210163652, "fire": 33.83594692400482, "scintillation": 90.30280321355949, "tilt": 82.71306093700665, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 76.77845387272745, "leakage": 28.59603789836348 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "emerald", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 74.39234464098418, "brilliance": 77.68974145120934, "fire": 39.82823403113258, "scintillation": 98.36104462097865, "tilt": 77.5444195882981, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 83.53735639914984, "leakage": 22.31025854879066 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "emerald", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.34289942376678, "brilliance": 85.96938775510205, "fire": 51.9782393669634, "scintillation": 80.25405875262283, "tilt": 69.3199947920614, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 92.44020188720651, "leakage": 13.988095238095237 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "emerald", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 73.2259538057013, "brilliance": 77.77777777777777, "fire": 39.23076923076923, "scintillation": 86.16236009973849, "tilt": 79.14700886959804, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 83.63201911589007, "leakage": 22.22222222222222 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 12, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 68.99364361999501, "brilliance": 61.97252208047105, "fire": 54.790182106096594, "scintillation": 72.4423190501405, "tilt": 83.72430952124084, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 81.54279221114612, "leakage": 36.75171736997056 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.80126421684564, "brilliance": 42.01183431952663, "fire": 58.37245696400626, "scintillation": 42.624657926256724, "tilt": 60.365906780891535, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 55.27872936779819, "leakage": 50.032873109796185 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.117559125293, "brilliance": 74.36863927629099, "fire": 26.609224531170806, "scintillation": 84.87602403095042, "tilt": 67.50483757446172, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 86.47516194917557, "leakage": 24.53825857519789 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 30, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 55.508668884682166, "brilliance": 58.28961175236097, "fire": 36.36363636363637, "scintillation": 71.82307109050416, "tilt": 51.85959772447833, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 76.69685756889601, "leakage": 34.67995802728227 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 68.08435771648784, "brilliance": 66.39260020554984, "fire": 45.975232198142415, "scintillation": 71.82307109050416, "tilt": 76.83655611047082, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 87.35868448098664, "leakage": 31.603288797533402 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 63.9044769985421, "brilliance": 52.243270189431705, "fire": 41.31679389312977, "scintillation": 56.05459958235449, "tilt": 99.8863736070896, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 68.74114498609435, "leakage": 37.08873379860419 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.19839949835909, "brilliance": 42.923649906890134, "fire": 50.759219088937094, "scintillation": 85.53348233610049, "tilt": 61.4167191128973, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 49.91122082196527, "leakage": 53.63128491620112 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.0283648188077, "brilliance": 68.67248507119889, "fire": 34.11371237458194, "scintillation": 66.34097247934363, "tilt": 83.32915173948751, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 90.3585329884196, "leakage": 31.097841065686726 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 68.84148346271319, "brilliance": 55.022075055187635, "fire": 71.2136409227683, "scintillation": 87.33928972109165, "tilt": 71.16530313833066, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 63.97915704091585, "leakage": 40.673289183222956 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 22, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.65883786892915, "brilliance": 56.37860082304527, "fire": 58.51581508515815, "scintillation": 75.88225289798486, "tilt": 57.247132429614176, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 65.55651258493636, "leakage": 34.224965706447186 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.861642121353206, "brilliance": 42.38805970149254, "fire": 2.0120724346076457, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 45.578558818809185, "leakage": 57.569296375266525 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.42640582182123, "brilliance": 50.87412587412587, "fire": 31.89003436426117, "scintillation": 78.41849166013102, "tilt": 77.33988719242537, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 79.49082167832168, "leakage": 44.65034965034965 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.3472931431353, "brilliance": 21.8338629142079, "fire": 55.71725571725572, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 25.388212690939415, "leakage": 74.76168860644576 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 59.810297070111986, "brilliance": 56.70822942643392, "fire": 19.964819700967457, "scintillation": 66.34097247934363, "tilt": 87.82539882599181, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 65.93980165864409, "leakage": 41.49625935162095 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.14556434870637, "brilliance": 28.53585657370518, "fire": 54.62478184991274, "scintillation": 63.212055882855765, "tilt": 100, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 37.54717970224365, "leakage": 68.02788844621514 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 11, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.78115109972985, "brilliance": 68.23714173537495, "fire": 38.3199079401611, "scintillation": 78.41849166013102, "tilt": 85.16696338942502, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 89.78571280970387, "leakage": 25.52021986650962 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 63.55462099018252, "brilliance": 53.72062663185378, "fire": 62.81895504252734, "scintillation": 80.68801782132802, "tilt": 52.85690712989215, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 62.46584492076021, "leakage": 36.0313315926893 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.26628771430642, "brilliance": 26.995073891625616, "fire": 64.5985401459854, "scintillation": 34.44116630922144, "tilt": 100, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 35.51983406792844, "leakage": 42.758620689655174 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 20, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 63.81414396802097, "brilliance": 68.33253243632869, "fire": 40.50632911392405, "scintillation": 78.89279122089098, "tilt": 72.19161266827406, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 79.45643306549847, "leakage": 31.42719846227775 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "emerald", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.21762560993498, "brilliance": 63.41287057122198, "fire": 47.548460661345494, "scintillation": 80.25405875262283, "tilt": 86.09876931545631, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 73.73589601304882, "leakage": 26.53651482284888 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 37, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 45.00549739306606, "brilliance": 16.80517082179132, "fire": 32.142857142857146, "scintillation": 43.88560313525104, "tilt": 100, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 18.070076152463788, "leakage": 75.2539242843952 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 58.17011083696947, "brilliance": 45.60747663551402, "fire": 30.81967213114754, "scintillation": 60.675927913140185, "tilt": 98.1208205186084, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 49.04029745754196, "leakage": 52.67289719626168 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 35, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.746447290335716, "brilliance": 29.980119284294236, "fire": 14.588859416445624, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 46.843936381709746, "leakage": 69.10536779324056 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 55.68486302209318, "brilliance": 40.16990291262136, "fire": 24.773413897280967, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 62.765473300970875, "leakage": 59.54692556634304 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 10, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.90314383483793, "brilliance": 64.20333190944041, "fire": 41.516966067864274, "scintillation": 80.68801782132802, "tilt": 95.50926749361564, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 100.31770610850063, "leakage": 35.79666809055959 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "emerald", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.67683230925466, "brilliance": 77.91986359761296, "fire": 40.26258205689278, "scintillation": 71.82307109050416, "tilt": 75.95628894550589, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 83.78479956732576, "leakage": 22.03751065643649 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 50.08438020648883, "brilliance": 13.221601489757914, "fire": 70.4225352112676, "scintillation": 85.53348233610049, "tilt": 63.213002354301764, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 15.373955220648737, "leakage": 65.82867783985103 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 36, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 47.67469354495547, "brilliance": 25.31055900621118, "fire": 68.71165644171779, "scintillation": 50.89017704978449, "tilt": 61.37351837512658, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 33.30336711343576, "leakage": 68.55590062111801 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 77.6559094729495, "brilliance": 90.01684919966301, "fire": 46.23303696771175, "scintillation": 84.87602403095042, "tilt": 64.46428767787741, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 96.79231096737958, "leakage": 9.983150800336984 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 7, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 70.92178568167638, "brilliance": 67.01331114808653, "fire": 34.26443202979516, "scintillation": 98.0421697345087, "tilt": 92.36769818148082, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 72.0573238151468, "leakage": 32.98668885191348 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 18, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.04055592528776, "brilliance": 54.447974583002384, "fire": 40.481400437636765, "scintillation": 59.792277672443696, "tilt": 100, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 63.31159835232836, "leakage": 45.472597299444004 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "emerald", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.68112222468694, "brilliance": 53.589527027027025, "fire": 27.501970055161543, "scintillation": 96.0133632176275, "tilt": 100, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 57.623147340889275, "leakage": 46.410472972972975 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "emerald", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "t73-round-brilliant", "name": "T73 Round Brilliant", "category": "Brilliants", "material": "amethyst", "status": "scored", "rank": 5, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t73-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.64647765121882, "brilliance": 71.92683964270523, "fire": 35.60023654642224, "scintillation": 80.25405875262283, "tilt": 80.3325938992612, "symmetry": 99.99999999999993, "spread": 99.89183333905638, "shape_norm": 77.34068778785509, "leakage": 28.073160357294768 }, { "slug": "t105-round-brilliant", "name": "T105 Round Brilliant", "category": "Brilliants", "material": "amethyst", "status": "scored", "rank": 8, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t105-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.89538154006324, "brilliance": 65.2885443583118, "fire": 31.200527704485488, "scintillation": 90.30280321355949, "tilt": 86.86272600095626, "symmetry": 99.99999999999997, "spread": 101.05154362317981, "shape_norm": 70.20273586915246, "leakage": 34.7114556416882 }, { "slug": "dg-vitruvio", "name": "DG-Vitruvio", "category": "Brilliants", "material": "amethyst", "status": "scored", "rank": 3, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-vitruvio", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 71.40617047163192, "brilliance": 71.05921601334445, "fire": 36.443661971830984, "scintillation": 98.36104462097865, "tilt": 81.34549105810198, "symmetry": 99.99999999999989, "spread": 99.78413316569424, "shape_norm": 76.40775915413383, "leakage": 28.940783986655546 }, { "slug": "dg-anteros", "name": "DG-Anteros", "category": "Brilliants", "material": "amethyst", "status": "scored", "rank": 2, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-anteros", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.695158448789, "brilliance": 81.76020408163265, "fire": 53.562142485699425, "scintillation": 80.25405875262283, "tilt": 68.64356303132283, "symmetry": 99.99864195456809, "spread": 101.16483020192915, "shape_norm": 87.91419793723941, "leakage": 18.239795918367346 }, { "slug": "dg-broken-hearts-and-arrows", "name": "DG-Broken Hearts and Arrows", "category": "Brilliants", "material": "amethyst", "status": "scored", "rank": 4, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-broken-hearts-and-arrows", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 69.83427734523715, "brilliance": 70.94017094017094, "fire": 34.63855421686747, "scintillation": 86.16236009973849, "tilt": 82.49271856249302, "symmetry": 98.77820308215708, "spread": 99.8732440294282, "shape_norm": 76.27975369910854, "leakage": 29.05982905982906 }, { "slug": "asscher", "name": "Asscher", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/asscher", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.6123789868152, "brilliance": 60.05888125613347, "fire": 51.87908496732026, "scintillation": 72.4423190501405, "tilt": 84.08479121697434, "symmetry": 100, "spread": 106.64873753552094, "shape_norm": 79.02484375807035, "leakage": 38.812561334641806 }, { "slug": "baguette", "name": "Baguette", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 34, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/baguette", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.09380667593766, "brilliance": 39.84220907297831, "fire": 58.91089108910891, "scintillation": 42.624657926256724, "tilt": 62.10064305399612, "symmetry": 39.25025588816624, "spread": 97.28208822129211, "shape_norm": 52.42395930655041, "leakage": 53.58316896778435 }, { "slug": "cushion", "name": "Cushion", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 15, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/cushion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.09749702682059, "brilliance": 68.6769694685262, "fire": 24.313940724478595, "scintillation": 84.87602403095042, "tilt": 67.45690325619842, "symmetry": 96.75826307630773, "spread": 98.17191282076413, "shape_norm": 79.85694124247232, "leakage": 30.719939690915943 }, { "slug": "emerald-cut", "name": "Emerald Cut", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 30, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-cut", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 52.58118822969735, "brilliance": 52.990556138509966, "fire": 31.980198019801982, "scintillation": 71.82307109050416, "tilt": 54.27036821329192, "symmetry": 64.05626673913449, "spread": 96.40493814409622, "shape_norm": 69.72441597172364, "leakage": 41.028331584470095 }, { "slug": "emerald-square", "name": "Emerald Square", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 14, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/emerald-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 64.73877304026414, "brilliance": 61.09969167523124, "fire": 40.033641715727505, "scintillation": 71.82307109050416, "tilt": 77.65220113817045, "symmetry": 100, "spread": 107.72173450159418, "shape_norm": 80.39433115162005, "leakage": 36.485097636176775 }, { "slug": "heart", "name": "Heart", "category": "Jewelry cuts", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "The census traces convex stones, and the heart’s notch makes it concave.", "url": "https://digitalgemology.com/cuts/heart", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexagon", "name": "Hexagon", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 17, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 62.074630428476105, "brilliance": 48.903290129611165, "fire": 39.44954128440367, "scintillation": 56.05459958235449, "tilt": 100, "symmetry": 100, "spread": 100.2724809108953, "shape_norm": 64.34643438106733, "leakage": 40.47856430707876 }, { "slug": "marquise", "name": "Marquise", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 27, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/marquise", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.03049812432738, "brilliance": 38.17504655493482, "fire": 47.80487804878049, "scintillation": 85.53348233610049, "tilt": 70.98530838032976, "symmetry": 94.35619912175513, "spread": 99.73045691372005, "shape_norm": 44.38958901736608, "leakage": 58.56610800744879 }, { "slug": "octagon", "name": "Octagon", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 16, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/octagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 63.91702419282417, "brilliance": 64.26274689940284, "fire": 28.448892065761257, "scintillation": 66.34097247934363, "tilt": 83.17720588422337, "symmetry": 99.99999999999993, "spread": 100.27796088035154, "shape_norm": 84.5562459202669, "leakage": 35.6453835553514 }, { "slug": "oval", "name": "Oval", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 9, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/oval", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.59451503374883, "brilliance": 52.317880794701985, "fire": 68.67088607594937, "scintillation": 87.33928972109165, "tilt": 74.02122050589337, "symmetry": 98.38201203475955, "spread": 98.65489996946232, "shape_norm": 60.83474511011859, "leakage": 43.432671081677704 }, { "slug": "pear", "name": "Pear", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/pear", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 60.8180311464324, "brilliance": 51.851851851851855, "fire": 59.92063492063492, "scintillation": 75.88225289798486, "tilt": 56.734693877551024, "symmetry": 84.61680664170092, "spread": 100.82648376090522, "shape_norm": 60.29285099052541, "leakage": 39.231824417009605 }, { "slug": "portuguese-birds-nest", "name": "Portuguese Bird's Nest", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 31, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/portuguese-birds-nest", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 52.3672818334825, "brilliance": 37.014925373134325, "fire": 1.3824884792626728, "scintillation": 98.0421697345087, "tilt": 100, "symmetry": 99.9999999999999, "spread": 99.79488229140118, "shape_norm": 39.80099502487562, "leakage": 62.985074626865675 }, { "slug": "princess", "name": "Princess", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 26, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/princess", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.291817246537555, "brilliance": 45.10489510489511, "fire": 25.1937984496124, "scintillation": 78.41849166013102, "tilt": 81.8532692244791, "symmetry": 99.99999999999996, "spread": 94.88135388439976, "shape_norm": 70.4763986013986, "leakage": 50.20979020979021 }, { "slug": "radiant", "name": "Radiant", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 32, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 50.78714157690153, "brilliance": 20.245120290512936, "fire": 41.47982062780269, "scintillation": 73.64028618842732, "tilt": 100, "symmetry": 98.9246885065532, "spread": 104.55968833014633, "shape_norm": 23.540837547108065, "leakage": 76.48660916931458 }, { "slug": "radiant-square", "name": "Radiant Square", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 23, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/radiant-square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 57.34524062910708, "brilliance": 51.17206982543641, "fire": 20.46783625730994, "scintillation": 66.34097247934363, "tilt": 86.9209480675499, "symmetry": 100, "spread": 100.7705312057072, "shape_norm": 59.50240677376327, "leakage": 46.88279301745636 }, { "slug": "rectangle", "name": "Rectangle", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 29, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/rectangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 53.23967635928962, "brilliance": 23.754980079681275, "fire": 50.314465408805034, "scintillation": 63.212055882855765, "tilt": 100, "symmetry": 100, "spread": 99.73045691372005, "shape_norm": 31.256552736422726, "leakage": 72.21115537848605 }, { "slug": "square", "name": "Square", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 12, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/square", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.42093956657604, "brilliance": 65.33176285826463, "fire": 33.83413461538461, "scintillation": 78.41849166013102, "tilt": 84.20895925882628, "symmetry": 99.99999999999996, "spread": 97.67356965539359, "shape_norm": 85.96284586613767, "leakage": 28.739693757361604 }, { "slug": "teardrop", "name": "Teardrop", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 18, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/teardrop", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 61.62366069179886, "brilliance": 49.15143603133159, "fire": 60.42496679946879, "scintillation": 80.68801782132802, "tilt": 56.305368375605944, "symmetry": 98.03043163200152, "spread": 100.82648376090522, "shape_norm": 57.15283259457162, "leakage": 40.53524804177545 }, { "slug": "triangle", "name": "Triangle", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 24, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/triangle", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.83480244303129, "brilliance": 27.783251231527093, "fire": 61.347517730496456, "scintillation": 34.44116630922144, "tilt": 100, "symmetry": 100, "spread": 103.52456454198776, "shape_norm": 36.55690951516723, "leakage": 43.251231527093594 }, { "slug": "trilliant", "name": "Trilliant", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 19, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 60.80890025210685, "brilliance": 63.286881307063915, "fire": 33.712984054669704, "scintillation": 78.89279122089098, "tilt": 75.59585954731172, "symmetry": 61.82599814099228, "spread": 101.45602756043279, "shape_norm": 73.58939686867897, "leakage": 36.18452666987025 }, { "slug": "trillion", "name": "Trillion", "category": "Jewelry cuts", "material": "amethyst", "status": "scored", "rank": 7, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/trillion", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 68.2925000042365, "brilliance": 60.159074475777295, "fire": 43.99038461538461, "scintillation": 80.25405875262283, "tilt": 87.5074602122016, "symmetry": 99.99999999999997, "spread": 106.62070527308217, "shape_norm": 69.9524121811364, "leakage": 29.862617498192336 }, { "slug": "old-single", "name": "Old Single", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 37, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-single", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 45.13786779274947, "brilliance": 15.143120960295475, "fire": 37.5, "scintillation": 43.88560313525104, "tilt": 100, "symmetry": 99.99999999999994, "spread": 96.95900167829609, "shape_norm": 16.282925763758577, "leakage": 78.99353647276085 }, { "slug": "mazarin", "name": "Mazarin", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 25, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/mazarin", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 56.550852650431295, "brilliance": 43.02803738317757, "fire": 28.410078192875762, "scintillation": 60.675927913140185, "tilt": 98.26945862137892, "symmetry": 99.99999999999997, "spread": 96.3161502206351, "shape_norm": 46.266706863631796, "leakage": 55.51401869158879 }, { "slug": "peruzzi", "name": "Peruzzi", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 36, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/peruzzi", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 46.719842167949054, "brilliance": 26.003976143141152, "fire": 13.302752293577981, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 84.771698475778, "spread": 96.17662206610854, "shape_norm": 40.63121272365805, "leakage": 73.28031809145129 }, { "slug": "old-mine", "name": "Old Mine", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 28, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-mine", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 54.06895492815679, "brilliance": 37.580906148867314, "fire": 22.38966630785791, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 89.5830402684723, "spread": 97.84187028056603, "shape_norm": 58.72016585760518, "leakage": 62.13592233009709 }, { "slug": "old-european", "name": "Old European", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 13, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/old-european", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.145810709661, "brilliance": 58.56471593336181, "fire": 36.542669584245075, "scintillation": 80.68801782132802, "tilt": 100, "symmetry": 99.99999999999993, "spread": 98.31328380185808, "shape_norm": 91.50736864587783, "leakage": 41.43528406663819 }, { "slug": "t57-round-brilliant", "name": "T57 Round Brilliant", "category": "Historic cuts", "material": "amethyst", "status": "scored", "rank": 6, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/t57-round-brilliant", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 68.64393178936369, "brilliance": 71.39812446717818, "fire": 36.83582089552239, "scintillation": 71.82307109050416, "tilt": 79.24553584781503, "symmetry": 99.9999999999999, "spread": 101.27862650731787, "shape_norm": 76.77217684642815, "leakage": 28.601875532821825 }, { "slug": "dg-bowtie", "name": "DG-Bowtie", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 33, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-bowtie", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 48.64408632391995, "brilliance": 11.91806331471136, "fire": 64.0625, "scintillation": 85.53348233610049, "tilt": 67.6663306451613, "symmetry": 94.19967831404394, "spread": 86.87418816009502, "shape_norm": 13.858213156641115, "leakage": 70.2048417132216 }, { "slug": "dg-cabochon", "name": "DG-Cabochon", "category": "House cuts", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/dg-cabochon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dg-elongated-hexagon", "name": "DG-Elongated Hexagon", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 35, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-elongated-hexagon", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 47.072407926182166, "brilliance": 25.15527950310559, "fire": 63.888888888888886, "scintillation": 50.89017704978449, "tilt": 64.64700946901594, "symmetry": 72.73581611613204, "spread": 110.69323800772939, "shape_norm": 33.099051977770515, "leakage": 69.64285714285714 }, { "slug": "dg-m5", "name": "DG-M5", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 1, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-m5", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 75.8187100615268, "brilliance": 84.79359730412806, "fire": 49.528067560854446, "scintillation": 84.87602403095042, "tilt": 63.200618953304826, "symmetry": 99.9999999999998, "spread": 100.49261878740639, "shape_norm": 91.17591107970759, "leakage": 15.164279696714406 }, { "slug": "dg-miliano", "name": "DG-Miliano", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 11, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-miliano", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 67.52300240287343, "brilliance": 60.39933444259567, "fire": 27.892561983471076, "scintillation": 98.0421697345087, "tilt": 97.27857618696736, "symmetry": 99.99993688071474, "spread": 100.65950270909406, "shape_norm": 64.94552090601685, "leakage": 39.60066555740433 }, { "slug": "dg-octagonal-kite", "name": "DG-Octagonal Kite", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 22, "geometry": "our 3D model", "reason": null, "url": "https://digitalgemology.com/cuts/dg-octagonal-kite", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 60.43122715876708, "brilliance": 49.84114376489277, "fire": 32.58964143426295, "scintillation": 59.792277672443696, "tilt": 100, "symmetry": 99.99996442239623, "spread": 95.76156998861913, "shape_norm": 57.95481833127066, "leakage": 50.11914217633042 }, { "slug": "dg-rafaello", "name": "DG-Rafaello", "category": "House cuts", "material": "amethyst", "status": "scored", "rank": 21, "geometry": "census plane set", "reason": null, "url": "https://digitalgemology.com/cuts/dg-rafaello", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": 60.735429527117624, "brilliance": 45.185810810810814, "fire": 26.261682242990656, "scintillation": 96.0133632176275, "tilt": 100, "symmetry": 99.99999999999983, "spread": 101.39293656654019, "shape_norm": 48.586893344957865, "leakage": 54.814189189189186 }, { "slug": "elongated-hexagonal-bipyramid", "name": "Elongated Hexagonal Bipyramid", "category": "House cuts", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "This stone has no table, so the head-on light measure we use for the other cuts does not apply.", "url": "https://digitalgemology.com/cuts/elongated-hexagonal-bipyramid", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "dodecahedron", "name": "Dodecahedron", "category": "Platonic solids", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/dodecahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "hexahedron", "name": "Hexahedron", "category": "Platonic solids", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/hexahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "icosahedron", "name": "Icosahedron", "category": "Platonic solids", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/icosahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "octahedron", "name": "Octahedron", "category": "Platonic solids", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/octahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null }, { "slug": "tetrahedron", "name": "Tetrahedron", "category": "Platonic solids", "material": "amethyst", "status": "not yet scored", "rank": null, "geometry": null, "reason": "We have not set the census up for the Platonic solids. They are geometric models, not gem cuts, and we keep them out of the gem rankings.", "url": "https://digitalgemology.com/cuts/tetrahedron", "engine_version": "census-ba47e2e1.13d5809b", "generated": "2026-10-31", "overall": null, "brilliance": null, "fire": null, "scintillation": null, "tilt": null, "symmetry": null, "spread": null, "shape_norm": null, "leakage": null } ] }