Crown: The upper portion of the diamond encompassing the total area above the girdle, including the table.
Culet: A tiny facet at the very bottom of the diamond.
Girdle: The outer edges of the diamond where the upper and lower facets meet.
Pavilion: The lower portion of the diamond encompassing the total area below the girdle, including the culet.
Table: The flat facet on the top of the diamond.
Diameter: The length or width of a round diamond.
Length: The measurement from the top to bottom of the diamond when facing up.
Width: The measurement from side to side when facing up.
Table Size: The length of the table.
Total Depth: The measurement from the table to the culet.