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Diamond Size Chart
Round Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
0.8
0.0025
7
1.28
1
0.005
7.25
1.49
1.12
0.0075
7.5
1.67
1.15
0.0067
7.75
1.75
1.25
0.01
8
2.04
1.3
0.01
8.25
2.11
1.5
0.015
8.5
2.43
1.75
0.02
8.75
2.55
1.8
0.025
9
2.75
2
0.03
9.25
3.05
2.25
0.04
9.5
3.35
2.5
0.06
9.75
3.61
2.75
0.08
10
3.87
3
0.11
10.25
4.16
3.25
0.14
10.5
4.41
3.5
0.17
10.75
4.57
3.75
0.21
11
4.91
4
0.25
11.25
5.49
4.25
0.28
11.5
5.85
4.5
0.36
12
6.84
4.75
0.44
12.25
7.26
5
0.46
12.5
7.36
5.25
0.56
12.75
7.52
5.5
0.66
13
8.51
5.75
0.76
13.5
9.53
6
0.84
14
10.49
6.25
0.93
15
12.89
6.5
1.03
16
16.06
6.75
1.24
Princess / Square Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
1.5
0.015
6.5
1.59
1.75
0.03
6.75
1.75
2
0.06
7
1.96
2.25
0.08
7.25
2.01
2.5
0.1
7.5
2.4
2.75
0.13
7.75
2.74
3
0.18
8
3.01
3.25
0.26
8.25
3.24
3.5
0.29
8.5
3.67
3.75
0.31
8.75
4.1
4
0.39
9
4.12
4.25
0.44
9.5
5.09
4.5
0.56
9.75
5.36
4.75
0.64
10
5.62
5
0.71
10.25
5.76
5.25
0.75
10.5
5.99
5.5
0.99
11
7.44
5.75
1.11
11.5
9.44
6
1.24
12
9.52
6.25
1.39
Emerald Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
3 x 2
0.1
9 x 7
2.62
3.5 x 2
0.12
9.5 x 7.5
3.21
4 x 2
0.15
10 x 7
3.01
4 x 3
0.2
10 x 8
3.79
5 x 3
0.29
11 x 9
5.21
5.5 x 3.5
0.46
12 x 8
5.34
5.5 x 4
0.48
12 x 10
6
6 x 4
0.66
13 x 9
6.38
6.5 x 4.5
0.88
14 x 8
6.25
7 x 5
1.06
14 x 10
8.48
7.25 x 5.25
1.24
13 x 11
9.13
7.5 x 5.5
1.45
14 x 12
11.26
8 x 6
1.74
16 x 12
14.22
8.5 x 6.5
2.17
Asscher Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
4
0.39
8
3.01
4.5
0.56
8.5
3.67
5
0.71
9
4.12
5.5
0.99
9.5
5.09
6
1.24
10
5.62
6.5
1.59
11
7.44
7
1.96
12
9.52
7.5
2.4
13
12.66
Marquise Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
3 x 1.5
0.025
9 x 5
0.76
3.5 x 1.75
0.065
9.5 x 2
0.85
3.5 x 2
0.07
10 x 5
0.95
3.75 x 1.75
0.11
11 x 5.5
1.25
4 x 2
0.1
11.5 x 6
1.33
4.25 x 2.25
0.12
12 x 6
1.62
5 x 2.5
0.14
12 x 6.5
1.71
5 x 3
0.2
13 x 6.5
2.11
5.5 x 2.75
0.16
14 x 7
2.48
5.5 x 3
0.18
15 x 7.5
3.09
6 x 3
0.25
14 x 8
3
6.5 x 3
0.23
15 x 7
3.12
7 x 3
0.3
15 x 8
3.44
7 x 3.5
0.35
16 x 8
3.86
7 x 4
3.4
17 x 8.5
4.88
7.5 x 3.5
0.33
17.5 x 10
5.5
8 x 4
0.47
20 x 8
7.08
9 x 4.5
0.71
20 x 10
7.94
20 x 11
9.5
Oval Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
4.5 x 3.5
0.21
10 x 8
2.54
5 x 3
0.21
10.5 x 8.5
2.88
5 x 4
0.35
11 x 9
3.85
5.5 x 3.5
0.33
12 x 8
2.99
6 x 4
0.43
12 x 10
5.05
6.5 x 4.5
0.65
14 x 10
5.81
6 x 5
0.61
13 x 11
6.05
7 x 5
0.76
14 x 12
8.21
7.5 x 5.5
0.98
15 x 12
8.76
8 x 6
1.21
16 x 12
9.32
8.5 x 6.5
1.46
16 x 14
11.88
9 x 6
1.41
18 x 13
12.86
9 x 7
1.86
20 x 15
14.96
Radiant Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
4.5 x 3.5
0.34
10 x 8
3.49
5 x 3
0.31
11 x 9
5.05
6 x 3
0.41
11.5 x 10
6.45
6 x 4
0.6
12 x 9
6.06
6.5 x 4.5
0.83
12 x 10
6.79
7 x 5
1.14
13 x 9
6.54
7.25 x 5.25
1.24
13 x 11
9.33
7.5 x 5.5
1.47
13.5 x 11.5
10.19
8 x 6
1.74
14 x 10
8.47
8.5 x 6.5
2.25
14 x 12
12.14
9 x 7
2.62
15 x 11
11.48
9.5 x 7.5
3.18
16 x 12
14.22
10 x 7
3.31
Pear Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
3 x 2
0.13
12 x 8
3
4 x 2.5
0.18
12 x 9
3.44
4 x 3
0.21
13 x 8
2.98
5 x 3
0.25
14 x 8
3.47
5 x 4
0.35
13 x 9
4.11
6 x 4
0.39
14 x 9
4.25
6.5 x 4.5
0.57
15 x 9
5.06
7 x 5
0.71
14 x 10
5.41
8 x 5
0.81
13 x 11
5.65
8.5 x 5.5
1.08
15 x 10
5.75
8 x 6
1.25
15 x 11
7.36
9 x 6
1.33
16 x 9
5.86
9 x 7
1.75
16 x 10
6.27
10 x 6
1.71
16 x 12
8.99
10 x 7
1.8
17 x 10
6.46
10 x 8
2.46
18 x 11
8.14
11 x 7.50
2.61
18 x 12
9.35
11 x 8
3
18 x 13
10.21
12 x 7
3.12
Heart Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
3.5
0.18
8
1.71
4
0.25
9
2.41
4.25
0.28
9.5
2.9
4.5
0.34
10
3.16
4.75
0.38
11
4.41
5
0.44
12
5.66
5.5
0.61
13
7.88
6
0.74
14
9.38
6.25
0.83
15
10.79
6.25
0.93
16
13.27
7
1.13
18
15.33
7.5
1.59
Cushion Cut
MM Size
Carat
Weight
MM Size
Carat
Weight
4
0.25
8
2.04
4.5
0.36
8.5
2.43
5
0.46
9
2.75
5.25
0.56
9.5
3.35
5.5
0.66
10
3.87
5.75
0.76
10.5
4.41
6
0.84
11
4.91
6.25
0.93
11.5
5.85
6.5
1.03
12
6.84
6.75
1.24
13
8.51
7
1.28
14
10.49
7.5
1.67
15
12.89