Diamond Size

Diamond Size & Carat Converter

Carat (ct) is the weight of a diamond, not its physical size.

1 carat = 200 milligrams (0.2 grams).

Higher carat weight generally means a larger diamond, but shape and cut affect how big it looks.

Convert Size (mm) to Carat & Points

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Convert Carat to Approximate Size (mm)

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Convert Carat to Ratti