Ending soon: Up to 40% off select jewelry*
20% Off Engagement Ring Settings*
Ending soon: Up to 40% off select jewelry*
Blue Nile BN Logo
  • wish list
  • shopping cart
    • USD
    • CAD
    • CNY
    • EUR
    • GBP
    • HKD
    • NZD
    • SGD
    • AUD

Depth Percentage


The height of a diamond, measured from the culet to the table, divided by its average girdle diameter. One of the basic proportions that contributes to a diamond's appearance, brilliance and fire. 

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

Back to Diamond Education

EDUCATION GLOSSARY