Diamond Size Chart

Want to know the actual size of a 1 carat diamond on a hand? Use our diamond size chart to understand the millimeter (mm) size of each diamond shape.


  • Round
  • Princess
  • Cushion
  • Oval
  • Emerald
  • Heart
  • Pear
  • Marquise
  • Asscher
  • Radiant

MM SizeCarat Weight
{{x.size}} mm. {{x.carat}} ct.
MM SizeCarat Weight
{{x.size}} mm. {{x.carat}} ct.

Diamond Education

Understanding the 4 C's of a diamond (color, cut, carat, clarity) and the factors that impact its quality, price and value.

Diamond Education | Brilliance.com
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