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SIZE CHART

Round Cut Diamond Size Chart (MM)

Wondering what a 1 carat round Gemstone looks link on a hand? Our round Gemstone size chart will help you convert millimeter (mm) size to carat size for round cut Gemstone.

Asscher Diamond Sizes

Asscher MM Size Asscher Carat Weight
4 mm. 0.39 ct.
4.5 mm. 0.50 ct.
5 mm. 0.75 ct.
5.5 mm. 1.00 ct.
6 mm. 1.25 ct.
6.5 mm. 1.50 ct.
7 mm. 2.00 ct.
7.5 mm. 2.50 ct.
Asscher MM Size Asscher Carat Weight
8 mm. 3.00 ct.
8.5 mm. 3.50 ct.
9 mm. 4.12 ct.
9.5 mm. 5.09 ct.
10 mm. 5.62 ct.
11 mm. 7.44 ct.
12 mm. 9.52 ct.
13 mm. 12.66 ct.
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