Diamond Anatomy

While every diamond is unique, all diamonds share certain structural features. A diamond’s anatomy, or its basic structure, determines its proportions, brilliance, dispersion and scintillation. Each part of the diamond has a specific name, and having a basic understanding of how each part contributes to the diamond as a whole will help you find your perfect diamond.

A diamond is comprised of the eight main components. They are Diameter, Table, Crown, Table Spread, Girdle, Pavilion, Depth, and Culet. Below is a brief description of each part of a diamond and its location.

  • Diameter: The width of a polished stone, measured from edge to edge.
  • Table: The largest polished facet located on the top of the diamond.
  • Crown: The top part of a diamond extending from the table to the girdle. The crown is made up of bezel facets (crown mains), star facets, upper girdle facets (upper halves), and a table facet.
  • Girdle: The very edge (widest edge) of the diamond where the crown and pavilion meet.
  • Pavilion: The bottom part of a diamond extending from the girdle down to the culet.
  • Depth: The total height of a diamond measured from the table to the culet.
  • Culet: The small or pointed facet at the very bottom of the diamond.

Before purchasing a diamond, make sure that you have a basic understanding of a diamond’s anatomy. This will allow you to truly appreciate diamonds and all their intricacies, communicate with experts about a particular diamond, and, most importantly, it will assist you in making a well-thought out decision about which diamond is best for you.

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