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MM to Carat Weight Conversion Values

Select a shape to view it's respective chart.

Asscher cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
4 0.39
4.5 0.56
5 0.71
5.5 0.99
6 1.24
6.5 1.59
7 1.96
7.5 2.4
8 3.01
8.5 3.67
9 4.12
9.5 5.09
10 5.62
11 7.44
12 9.52
13 12.66

Baguette cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
3 x 1.5 0.05
3.5 x 1.5 0.07
3.5 x 2 0.10
4 x 2 0.15
4.5 x 2 0.17
4.5 x 2.5 0.22
5 x 2.5 0.25
5 x 3 0.30
5.5 x 2.5 0.28
5.5 x 3 0.38
6 x 3 0.40
6 x 4 0.50
7 x 3 0.45
7 x 3.5 0.55
7 x 5 0.75
8 x 4 0.75
8 x 6 1.00
9 x 4.5 0.90
10 x 5 1.25
10 x 7 1.50

Cushion cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
4 0.25
4.5 0.36
5 0.46
5.25 0.56
5.5 0.66
5.75 0.76
6 0.84
6.25 0.93
6.5 1.03
6.75 1.24
7 1.28
7.5 1.67
8 2.04
8.5 2.43
9 2.75
9.5 3.35
10 3.87
10.5 4.41
11 4.91
11.5 5.85
12 6.84
13 8.51
14 10.49
15 12.89

Emerald cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
4 x 3 0.20
5 x 3 0.25
5 x 3.5 0.30
5 x 4 0.33
5.5 x 3.5 0.34
5.5 x 4 0.40
6 x 4 0.50
6.5 x 4.5 0.65
6.5 x 5 0.75
7 x 5 1.00
7.5 x 5.5 1.25
8 x 5.5 1.40
8 x 6 1.50
8.5 x 6 1.75
8.5 x 6.5 2.00
9 x 6 2.00
9 x 6.5 2.25
9 x 7 2.50
9.5 x 7 2.75
9.5 x 7.5 3.00
10 x 7 3.00
10 x 7.5 3.50
10 x 8 3.75
10.5 x 8 4.00
11 x 8 4.50
11 x 8.5 5.00
12 x 9 6.00
13 x 9.5 7.00
14 x 10 8.50
14 x 10.5 9.00

Heart cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
3.5 0.18
4 0.25
4.25 0.28
4.5 0.34
4.75 0.38
5 0.44
5.5 0.61
6 0.74
6.25 0.83
6.5 0.93
7 1.13
7.5 1.59
8 1.71
9 2.41
9.5 2.9
10 3.16
11 4.41
12 5.66
13 7.88
14 9.38
15 10.79
16 13.27
18 15.33

Marquise cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
4 x 2 0.07
5 x 2.5 0.12
5 x 3 0.16
6 x 3 0.25
7 x 3.5 0.35
8 x 4 0.50
8.5 x 4 0.55
9 x 4.5 0.75
10 x 5 1.00
10.5 x 5.5 1.25
11 x 5.5 1.25
11 x 6 1.50
12 x 6 1.50
12 x 6.5 1.75
13 x 6 1.75
13 x 6.5 2.00
13 x 7 2.25
14 x 7 2.50
14 x 7.5 2.75
15 x 7.5 3.00
15 x 8 3.50
16 x 8 4.00
17 x 8.5 5.00
18 x 9 5.50
20 x 10 7.00

Old Mine Cut cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
3 0.10
3.5 0.15
4 0.23
4.5 0.35
5 0.50
5.5 0.70
6 0.84
6.5 1.00
7 1.25
7.5 1.67
8 2.00
8.5 2.43
9 2.75
9.5 3.35
10 3.87
11 4.91
12 6.84

Oval cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
5 x 3 0.20
5.5 x 3.5 0.29
6 x 4 0.39
6 x 4.5 0.47
6.5 x 4.5 0.50
7 x 5 0.70
7.5 x 5.5 0.85
7.7 x 5.7 1.00
8 x 5.5 1.10
8 x 6 1.25
8.5 x 6.5 1.50
9 x 6 1.50
9 x 6.5 1.75
9 x 7 2.00
9.5 x 7 2.25
10 x 7 2.50
10 x 7.5 2.75
10 x 8 3.00
10.5 x 8 3.25
11 x 8 3.50
11 x 8.5 3.75
11 x 9 4.00
12 x 9 4.50
12 x 10 5.00
13 x 10 5.50
13 x 11 6.50
14 x 10 6.00
14 x 11 7.00
14 x 12 8.00
16 x 12 10.00

Pear cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
5 x 3 0.20
5.5 x 3.5 0.25
6 x 4 0.33
6.5 x 4.5 0.45
7 x 4.5 0.50
7 x 5 0.60
7.5 x 5 0.70
8 x 5 0.75
8 x 5.5 0.85
8 x 6 1.00
8.5 x 5.5 1.00
9 x 6 1.25
9.5 x 6 1.40
9.5 x 6.5 1.50
10 x 6.5 1.70
10 x 7 1.75
10.5 x 7 2.00
11 x 7 2.25
11 x 7.5 2.50
12 x 8 3.00
12.5 x 8.5 3.50
13 x 9 4.00
14 x 9 4.50
14 x 10 5.00
15 x 10 6.00
16 x 11 7.50

Princess cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
1.5 0.015
1.75 0.03
2 0.06
2.25 0.08
2.5 0.1
2.75 0.13
3 0.18
3.25 0.26
3.5 0.29
3.75 0.31
4 0.39
4.25 0.44
4.5 0.56
4.75 0.64
5 0.71
5.25 0.75
5.5 0.99
5.75 1.11
6 1.24
6.25 1.39
6.5 1.59
6.75 1.75
7 1.96
7.25 2.01
7.5 2.4
7.75 2.74
8 3.01
8.25 3.24
8.5 3.67
8.75 4.1
9 4.12
9.5 5.09
9.75 5.36
10 5.62
10.25 5.76
10.5 5.99
11 7.44
11.5 9.44
12 9.52

Radiant cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
4 x 3.5 0.30
4.5 x 3.5 0.35
4.5 x 4 0.40
5 x 4 0.45
5 x 4.5 0.50
5.5 x 4.5 0.60
5.5 x 5 0.65
6 x 4.5 0.70
6 x 5 0.80
6 x 5.5 0.90
6.5 x 5.5 1.00
7 x 5 1.10
7 x 5.5 1.25
7 x 6 1.50
7.5 x 6 1.60
7.5 x 6.5 1.75
8 x 6 1.80
8 x 6.5 2.00
8 x 7 2.25
8.5 x 7 2.50
9 x 7 2.75
9 x 7.5 3.00
9.5 x 7.5 3.50
10 x 8 4.00
10 x 8.5 4.50
10.5 x 8.5 5.00
11 x 9 6.00

Round cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
0.8 0.0025
1 0.005
1.10 0.0075
1.15 0.0067
1.25 0.01
1.3 0.01
1.5 0.015
1.75 0.02
1.8 0.025
2 0.03
2.25 0.04
2.5 0.06
2.75 0.08
3 0.11
3.25 0.14
3.5 0.17
3.75 0.21
4 0.25
4.25 0.28
4.5 0.36
4.75 0.44
5 0.46
5.25 0.56
5.5 0.66
5.75 0.76
6 0.84
6.25 0.93
6.5 1.03
6.75 1.24
7 1.28
7.25 1.49
7.5 1.67
7.75 1.75
8 2.04
8.25 2.11
8.5 2.43
8.75 2.55
9 2.75
9.25 3.05
9.5 3.35
9.75 3.61
10 3.87
10.25 4.16
10.5 4.41
10.75 4.57
11 4.91
11.25 5.49
11.5 5.85
12 6.84
12.25 7.26
12.5 7.36
12.75 7.52
13 8.51
13.5 9.53
14 10.49
15 12.89
16 16.06

Trillion cut millimeters (mm) to carat weight conversion chart:

Size (mm) Carat Weight
3 0.10
3.5 0.13
4 0.20
4.5 0.30
5 0.40
5.5 0.55
6 0.75
6.5 1.00
7 1.25
7.5 1.50
8 2.00
8.5 2.50
9 3.00
9.5 3.50
10 4.00
11 5.50
12 7.00
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