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Home Β» Lab Grown Diamond Education Center Β» Carat to MM weight conversion values
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Carat weight to Millimeter Converter is a professional tool that helps to approximately determine the diamond size on a finger.
See below the equivalent carat to mm size table for Round Brilliant Cut, Cushion Cut, Pear shape, Emerald Cut, Oval Cut, Princess Cut, Hear shape, Marquise cut, Asscher cut and Radiant cut.
Round Brilliant cut
MM Size | Carat Weight |
---|---|
0.8 mm. | 0.0025 ct. |
1 mm. | 0.005 ct. |
1.15 mm. | 0.0067 ct. |
1.12 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. |
MM Size | 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. |
MM Size | Carat Weight |
---|---|
4.2 mm. | 0.40 ct. |
4.9 mm. | 0.50 ct. |
5.25 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. |
MM Size | 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. |
MM Size | Carat Weight |
---|---|
3Γ2 mm. | 0.13 ct. |
4Γ2.5 mm. | 0.18 ct. |
4Γ3 mm. | 0.21 ct. |
5Γ3 mm. | 0.25 ct. |
5Γ4 mm. | 0.35 ct. |
6Γ4 mm. | 0.50 ct. |
6.5Γ4.5 mm. | 0.60 ct. |
7Γ5 mm. | 0.75 ct. |
7.5Γ5.5 mm. | 0.85 ct. |
7.7Γ5.7 mm. | 1.00 ct. |
8Γ6 mm. | 1.25 ct. |
8.5Γ6.5 mm. | 1.50 ct. |
10Γ6 mm. | 1.71 ct. |
8.7Γ6.7 mm. | 1.80 ct. |
9Γ7 mm. | 2.00 ct. |
10Γ8 mm. | 2.50 ct. |
11Γ7.50 mm. | 2.61 ct. |
13Γ8 mm. | 2.98 ct. |
11Γ8 mm. | 3.00 ct. |
MM Size | Carat Weight |
---|---|
12Γ8 mm. | 3.00 ct. |
12Γ7 mm. | 3.12 ct. |
12Γ9 mm. | 3.44 ct. |
14Γ8 mm. | 3.47 ct. |
13Γ9 mm. | 4.11 ct. |
14Γ9 mm. | 4.25 ct. |
15Γ9 mm. | 5.06 ct. |
14Γ10 mm. | 5.41 ct. |
13Γ11 mm. | 5.65 ct. |
15Γ10 mm. | 5.75 ct. |
16Γ9 mm. | 5.86 ct. |
16Γ10 mm. | 6.27 ct. |
17Γ10 mm. | 6.46 ct. |
15Γ11 mm. | 7.36 ct. |
18Γ11 mm. | 8.14 ct. |
16Γ12 mm. | 8.99 ct. |
18Γ12 mm. | 9.35 ct. |
18Γ13 mm. | 10.21 ct. |
MM Size | Carat Weight |
---|---|
3Γ2 mm. | 0.10 ct. |
3.5Γ2 mm. | 0.12 ct. |
4Γ2 mm. | 0.15 ct. |
4Γ3 mm. | 0.20 ct. |
5Γ3 mm. | 0.29 ct. |
5.5Γ3.5 mm. | 0.46 ct. |
6Γ4 mm. | 0.50 ct. |
6.5Γ4.5 mm. | 0.75 ct. |
6.7Γ4.5 mm. | 0.88 ct. |
7Γ5 mm. | 1.00 ct. |
7.3Γ5.3 mm. | 1.25 ct. |
7.5Γ5.5 mm. | 1.50 ct. |
8Γ6 mm. | 1.75 ct. |
8.5Γ6.5 mm. | 2.00 ct. |
MM Size | Carat Weight |
---|---|
9Γ7 mm. | 2.50 ct. |
10Γ7.5 mm. | 3.00 ct. |
9.5Γ7.5 mm. | 3.21 ct. |
10Γ8 mm. | 3.79 ct. |
11Γ9 mm. | 5.21 ct. |
12Γ8 mm. | 5.34 ct. |
12Γ10 mm. | 6.00 ct. |
14Γ8 mm. | 6.25 ct. |
13Γ9 mm. | 6.38 ct. |
14Γ10 mm. | 8.48 ct. |
13Γ11 mm. | 9.13 ct. |
14Γ12 mm. | 11.26 ct. |
16Γ12 mm. | 14.22 ct. |
Oval cut
MM Size | Carat Weight |
---|---|
4.5Γ3.5 mm. | 0.21 ct. |
5Γ3 mm. | 0.21 ct. |
5.5Γ3.5 mm. | 0.33 ct. |
5Γ4 mm. | 0.35 ct. |
6Γ4 mm. | 0.50 ct. |
6Γ5 mm. | 0.61 ct. |
6.5Γ4.5 mm. | 0.65 ct. |
7Γ5 mm. | 0.75 ct. |
7.7Γ5.7 mm. | 1.00 ct. |
8Γ6 mm. | 1.25 ct. |
9Γ6 mm. | 1.41 ct. |
8.5Γ6.5 mm. | 1.50 ct. |
9Γ7 mm. | 2.00 ct. |
MM Size | Carat Weight |
---|---|
10Γ8 mm. | 2.50 ct. |
10.5Γ8.5 mm. | 2.88 ct. |
12Γ8 mm. | 3.00 ct. |
11Γ9 mm. | 3.85 ct. |
12Γ10 mm. | 5.05 ct. |
14Γ10 mm. | 5.81 ct. |
13Γ11 mm. | 6.05 ct. |
14Γ12 mm. | 8.21 ct. |
15Γ12 mm. | 8.76 ct. |
16Γ12 mm. | 9.32 ct. |
16Γ14 mm. | 11.88 ct. |
18Γ13 mm. | 12.86 ct. |
20Γ15 mm. | 14.96 ct. |
Princess cut
MM Size | Carat Weight |
---|---|
1.5 mm. | 0.015 ct. |
1.75 mm. | 0.03 ct. |
2 mm. | 0.06 ct. |
2.25 mm. | 0.08 ct. |
2.5 mm. | 0.10 ct. |
2.75 mm. | 0.13 ct. |
3 mm. | 0.18 ct. |
3.25 mm. | 0.26 ct. |
3.5 mm. | 0.29 ct. |
3.75 mm. | 0.31 ct. |
4 mm. | 0.39 ct. |
4.25 mm. | 0.44 ct. |
4.5 mm. | 0.50 ct. |
4.75 mm. | 0.64 ct. |
5 mm. | 0.75 ct. |
5.25 mm. | 0.90 ct. |
5.5 mm. | 1.00 ct. |
5.75 mm. | 1.11 ct. |
6 mm. | 1.25 ct. |
6.25 mm. | 1.39 ct. |
MM Size | Carat Weight |
---|---|
6.5 mm. | 1.50 ct. |
6.75 mm. | 1.75 ct. |
7 mm. | 2.00 ct. |
7.25 mm. | 2.01 ct. |
7.5 mm. | 2.50 ct. |
7.75 mm. | 2.74 ct. |
8 mm. | 3.00 ct. |
8.25 mm. | 3.24 ct. |
8.5 mm. | 3.67 ct. |
8.75 mm. | 4.10 ct. |
9 mm. | 4.12 ct. |
9.5 mm. | 5.09 ct. |
9.75 mm. | 5.36 ct. |
10 mm. | 5.62 ct. |
10.25 mm. | 5.76 ct. |
10.5 mm. | 5.99 ct. |
11 mm. | 7.44 ct. |
11.5 mm. | 9.44 ct. |
12 mm. | 9.52 ct. |
MM Size | 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. |
MM Size | 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. |
MM Size | Carat Weight |
---|---|
5Γ3 mm. | 0.31 ct. |
4.5Γ3.5 mm. | 0.34 ct. |
6Γ3 mm. | 0.41 ct. |
6Γ4 mm. | 0.50 ct. |
6.5Γ4.5 mm. | 0.75 ct. |
7Γ5 mm. | 1.00 ct. |
7.3Γ5.5 mm. | 1.25 ct. |
7.5Γ5.8 mm. | 1.50 ct. |
8Γ6 mm. | 2.00 ct. |
8.5Γ6.5 mm. | 2.25 ct. |
9Γ7 mm. | 2.50 ct. |
9.5Γ7.5 mm. | 3.00 ct. |
10Γ7 mm. | 3.31 ct. |
MM Size | Carat Weight |
---|---|
10Γ8 mm. | 3.50 ct. |
11Γ9 mm. | 5.05 ct. |
12Γ9 mm. | 6.06 ct. |
11.5Γ10 mm. | 6.45 ct. |
13Γ9 mm. | 6.54 ct. |
12Γ10 mm. | 6.79 ct. |
14Γ10 mm. | 8.47 ct. |
13Γ11 mm. | 9.33 ct. |
13.5Γ11.5 mm. | 10.19 ct. |
15Γ11 mm. | 11.48 ct. |
14Γ12 mm. | 12.14 ct. |
16Γ12 mm. | 14.22 ct. |
MM Size | Carat Weight |
---|---|
3.5 mm. | 0.18 ct. |
4 mm. | 0.25 ct. |
4.25 mm. | 0.28 ct. |
4.5 mm. | 0.34 ct. |
4.75 mm. | 0.38 ct. |
5 mm. | 0.50 ct. |
5.5 mm. | 0.61 ct. |
6 mm. | 0.75 ct. |
6.25 mm. | 0.83 ct. |
6.5 mm. | 1.00 ct. |
7 mm. | 1.25 ct. |
7.5 mm. | 1.50 ct. |
MM Size | Carat Weight |
---|---|
8 mm. | 2.00 ct. |
8.5 mm. | 2.50 ct. |
9 mm. | 3.00 ct. |
10 mm. | 3.50 ct. |
11 mm. | 4.41 ct. |
12 mm. | 5.66 ct. |
13 mm. | 7.88 ct. |
14 mm. | 9.38 ct. |
15 mm. | 10.79 ct. |
16 mm. | 13.27 ct. |
18 mm. | 15.33 ct.
|
MM Size | Carat Weight |
---|---|
3Γ1.5 mm. | 0.025 ct. |
3.5Γ1.75 mm. | 0.065 ct. |
3.5Γ2 mm. | 0.07 ct. |
4Γ2 mm. | 0.10 ct. |
3.75Γ1.75 mm. | 0.11 ct. |
4.25Γ2.25 mm. | 0.12 ct. |
5Γ2.5 mm. | 0.14 ct. |
5.5Γ2.75 mm. | 0.16 ct. |
5.5Γ3 mm. | 0.18 ct. |
5Γ3 mm. | 0.20 ct. |
6.5Γ3 mm. | 0.23 ct. |
6Γ3 mm. | 0.25 ct. |
7Γ3 mm. | 0.30 ct. |
7.5Γ3.5 mm. | 0.33 ct. |
7Γ4 mm. | 0.34 ct. |
8Γ4 mm. | 0.50 ct. |
8.75Γ4.25 mm. | 0.70 ct. |
9Γ4.5 mm. | 0.75 ct. |
MM Size | Carat Weight |
---|---|
9.5Γ4.7 mm. | 0.85 ct. |
10Γ5 mm. | 1.00 ct. |
11Γ5.5 mm. | 1.25 ct. |
11.5Γ6 mm. | 1.33 ct. |
12Γ6 mm. | 1.50 ct. |
13Γ6.5 mm. | 2.00 ct. |
14Γ7 mm. | 2.50 ct. |
15Γ7 mm. | 3.00 ct. |
14Γ8 mm. | 3.00 ct. |
15Γ7.5 mm. | 3.25 ct. |
15Γ8 mm. | 3.44 ct. |
16Γ8 mm. | 3.86 ct. |
16.5Γ8.25 mm. | 4.00 ct. |
17Γ8.5 mm. | 4.88 ct. |
17.5Γ10 mm. | 5.50 ct. |
20Γ8 mm. | 7.08 ct. |
20Γ10 mm. | 7.94 ct. |
20Γ11 mm. | 9.50 ct. |