Blue Nile Glossary
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  Depth Percentage:  
  The height of a gemstone, measured from the culet to the table, divided by the width of the gemstone. The depth percentage is critical to creating brilliance and fire in a diamond, and a gemstone with a depth percentage too low or too high will lack sparkle.

For more information, read our education on Diamond Cut Grading.

See also: Culet, Table, Table Percentage, Depth, Brilliance.


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