Diamond Anatomy

While every diamond is unique, they all share the same fundamental structure. This structure determines the diamond's proportions, brilliance, fire, and scintillation, which in turn influence its beauty and value.

Understanding diamond anatomy allows you to better appreciate a diamond’s craftsmanship, communicate confidently with professionals, and make more informed purchasing decisions.

The 8 Essential Parts of a Diamond:

  • Diameter: The width of the diamond measured from edge to edge. It's a key indicator of overall size.

  • Table: The largest facet on the top of the diamond, where most light enters and reflects.

  • Crown: The upper section between the table and the girdle, consisting of star facets, bezel facets, and upper girdle facets.

  • Girdle: The widest part of the diamond where the crown meets the pavilion; important for setting security.

  • Pavilion: The lower portion extending from the girdle to the culet, responsible for internal reflection and brilliance.

  • Depth: The total height from the table to the culet; affects light performance and visual appeal.

  • Culet: A small facet or point at the very bottom of the diamond. Some are visible, some are closed.

  • Table Spread: The ratio of the table width to the overall diameter—a key element in cut evaluation.

Familiarizing yourself with these components enhances your ability to evaluate and choose the perfect diamond for your needs.

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