Star facets are the 8 small triangular facets of a round brilliant's crown that touch the table.
In more detail
Their reach toward the girdle is the star length. Long stars make the bezels smaller.
On a grading report
Described on the proportion diagram by the star length.
Related terms
- Star length: Star length is how far the star facets reach from the table edge toward the girdle. It is a percentage of that distance.
- 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.
- Table: The table is the large flat facet on top of a cut stone, an octagon on a round brilliant. Much of the light enters through it.
- 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.