- Crown: The portion of a faceted diamond above the girdle or the widest circumference of the diamond.
- Crown Angle: Relationship of the crown to the girdle, measured in degrees.
- Culet: Small facet polished at the bottom of the pavilion. The bottom ‘point’ of a diamond.
- Depth: Measurement of diamond from the top of the crown to the bottom of the pavilion.
- Depth Percentage: The ratio of a diamond’s total depth (from the table to the culet) to its width, expressed as a percentage.
- Facet: Flat, polished surface on a diamond.
- Girdle: Band across the widest part of a diamond; divides the crown and pavilion.
- Pavilion: The portion of a faceted diamond below the girdle or the widest diameter of the stone.
- Pavilion Angle: Relationship of the pavilion to the girdle, measured in degrees.
- Star Facets: Triangular facets around the table or top of the diamond.
- Table: The top, flat facet of a polished diamond.
- Table Percentage: Comparison of the size of the table facet to the width of the diamond at the girdle; expressed in percentage.
