Round brilliant Diamonds sizes

Round Brilliant mm Size Brilliant Carat Weight
0.8 mm 0.0025 ct
1 mm 0.005 ct
1.12 mm 0.0067 ct
1.15 mm 0.0075 ct
1.25 mm 0.01 ct
1.3 mm 0.01 ct
1.5 mm 0.015 ct
1.75 mm 0.02 ct
1.8 mm 0.025 ct
2 mm 0.03 ct
2.25 mm 0.04 ct
2.5 mm 0.06 ct
2.75 mm 0.08 ct
3 mm 0.11 ct
3.25 mm 0.14 ct
3.5 mm 0.17 ct
3.75 mm 0.21
  ct
4 mm 0.25 ct
4.25 mm 0.28 ct
4.5 mm 0.36 ct
4.75 mm 0.44 ct
5.0 mm 0.50 ct
5.25 mm 0.56 ct
5.5 mm 0.66 ct
5.75 mm 0.75 ct
6 mm 0.84 ct
6.25 mm 0.93 ct
6.5 mm 1.00 ct
6.8 mm 1.25 ct
Brilliant MM Size Brilliant Carat Weight
7 mm 1.30 ct
7.3 mm 1.50 ct
7.5 mm 1.67 ct
7.75 mm 1.75 ct
8 mm 2.00 ct
8.25 mm 2.11 ct
8.5 mm 2.43 ct
8.7 mm 2.50 ct
9 mm 2.75 ct
9.1 mm 3.00 ct
9.5 mm 3.35 ct
9.75 mm 3.61 ct
10 mm 3.87 ct
10.25 mm 4.16 ct
10.5 mm 4.41 ct
10.75 mm 4.57 ct
11 mm 4.91 ct
11.25 mm 5.49 ct
11.5 mm 5.85 ct
12 mm 6.84 ct
12.25 mm 7.26 ct
12.5 mm 7.36 ct
12.75 mm 7.52 ct
13 mm 8.51 ct
13.5 mm 9.53 ct
14 mm 10.49 ct
15 mm 12.89 ct
16 mm 16.06 ct