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Cushion Cut Diamond Size Chart (MM)

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

Cushion black diamond size chart

     

Cushion Diamond Sizes

Cushion MM
Size
Cushion Weight
(ct)
Black Diamond ct
weight (Approx)
Cushion MM
Size
Cushion Weight
(ct)
Black Diamond ct
weight (Approx)
4.2 mm. 0.40 0.52 8 mm. 3.00 4.20
4.9 mm. 0.50 0.65 8.5 mm. 3.50 4.90
5.25 mm. 0.75 1.00 9 mm. 4.12 5.80
5.5 mm. 1.00 1.40 9.5 mm. 5.09 7.20
6 mm. 1.25 1.80 10 mm. 5.62 7.90
6.5 mm. 1.50 2.10 11 mm. 7.44 10.50
7 mm. 2.00 2.80 12 mm. 9.52 13.40
7.5 mm. 2.50 3.50 13 mm. 12.66 17.80