Cushion Cut Diamond Carat Size Chart (MM to CT)

Opulent Diam

Find the approximate carat weight of a cushion cut diamond from its size in millimetres.

Cushion cut diamond MM size to carat weight
MM Size Size Preview Carat
2.30 0.08
2.40 0.08
2.50 0.10
3.00 0.16
3.45 0.22
3.60 0.25
4.00 0.36
4.50 0.50
4.80 0.66
5.00 0.71
5.25 0.82
5.40 0.85
5.50 0.94
5.75 1.08
6.00 1.09
6.25 1.15
6.50 1.25
6.75 1.45
7.00 2.00
7.50 2.50
8.00 3.01
8.50 3.62
9.00 4.30
9.50 5.05
10.00 5.90
10.50 6.82
11.00 7.84
11.50 8.96
12.00 10.19
13.00 8.51
14.00 10.49
15.00 12.89

Please note: carat weights are approximate and may vary with cut, depth and proportions. The size preview cushions are drawn proportionally to the MM size for comparison only.