cut for gemstones 
Cutting a gemstone consists of angling the facets so that the stone’s brilliance is intensified.
Elongated cut that is completely covered with triangular facets and has neither crown nor pavilion; it is used when stones are to be set in a pendant.
Brilliant full cut with an elongated girdle.
Cut where the table and the girdle are square and the facets triangular.
Brilliant full cut where the girdle is oval in shape.
Step cut where the table and girdle are elongated rectangles.