Upper half facets are the 16 small triangles along the crown edge of a round brilliant. There are two between each pair of bezels.
In more detail
With the 8 stars and the 8 bezels, they make a 32-facet crown. The Peruzzi cut introduced that crown in the late 1600s.
Related terms
- Bezel facet: Bezel facets are the 8 large four-sided facets on the crown of a round brilliant. They run from the table to the girdle.
- Star facet: Star facets are the 8 small triangular facets of a round brilliant's crown that touch the table.
- Painting and digging: Painting and digging out are small tilts of the half facets along the girdle. Cutters use them to save weight.
- Crown: The crown is the part of a cut stone above the girdle. On a standard round brilliant it has 33 facets: the table, 8 stars, 8 bezels and 16 upper halves.