CROWN : This refers to the portion of a cut stone above the Girdle. It consists of a large flat area on top called a table, and several facets below it. These include the Star Facet, Bezel Facet and Upper Girdle Facet respectively.

GIRDLE : This refers to the edge formed where the top (crown) and bottom (pavilion) of a stone meet. The girdle is the area normally grasped by prongs when a stone is mounted onto a setting. Many diamonds are also finished with a fully polished or even a faceted girdle. The girdle is rated in terms of its thickness.

PAVILION : The pavilion is the bottom portion of a cut stone, beginning at the girdle and going to the point at its end. It includes two separate facets namely the Lower Girdle Facet and the Pavilion Facet.

CULET : The culet refers to the bottom point of the diamond. In many cases this point actually has a very small facet. The culet is referred to in terms that relate to the presence or size of this facet