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.
In more detail
Its width as a percentage of the diameter is the table size. Face up, you look through it straight down to the pavilion and the culet.
On a grading report
Its width appears as "table" on the proportion diagram.
Related terms
- Table size: Table size is the width of the table as a percentage of the average diameter.
- 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.
- Star facet: Star facets are the 8 small triangular facets of a round brilliant's crown that touch the table.
- Culet: The culet is the bottom point of the pavilion. It can also be a tiny facet, parallel to the table, that keeps the point from chipping.