Quoin facets
The four quadrilateral facets of 8 main facets on the crown or on the pavilion of a brilliant-cut stone, which are also called bezel facets. The 4 on the crown touching the girdle with their apex and extending up to touch the table. There are four lozenge-shape facets on the pavilion touching the girdle with their apex and extended down to culet, which is adjacent to the pavilion facets. The other 4 facets, or main facets on the crown are known as templets.