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Cubic Zirconia Weight Chart

Home> Cubic Zirconia Weight Chart

Cubic Zirconia Weight Chart

Use this chart to determine the approximate weight of particular CZ size and compare it to diamond weight

The weights listed on this page are in carats.

Pear

pear

Oval

oval

Heart

Heart

Marquise

marquise

Princess

princess

Trillion

trillion-shape

Emerald

emerald

Tringle

trillion

Radiant

radiant
Round C.Z. weight Diamond weight
1.25 0.013 0.01
1.5 0.023 0.015
1.75 0.037 0.02
2 0.06 0.03
2.25 0.08 0.04
2.5 0.1 0.05
2.75 0.15 0.08
3 0.18 0.11
3.25 0.24 0.14
3.5 0.29 0.17
3.75 0.36 0.21
4 0.43 0.25
4.25 0.48 0.28
4.5 0.61 0.36
4.75 0.74 0.44
5 0.79 0.46
5.25 0.95 0.56
5.5 1.13 0.66
5.75 1.3 0.76
6 1.43 0.84
6.25 1.58 0.93
6.5 1.75 1.03
6.75 2.11 1.24
7 2.17 1.28
4 0.4 0.24
7.5 2.84 1.67
7.75 2.97 1.75
8 3.46 2.04
8.25 3.58 2.11
8.5 4.13 2.43
8.75 4.34 2.55
9 4.68 2.75
9.25 5.18 3.05
9.5 5.69 3.35
9.75 6.13 3.61
10 6.58 3.87
10.25 7.08 4.16
10.5 7.5 4.41
10.75 7.55 4.44
11 8.35 4.91
11.25 9.34 5.49
11.5 9.94 5.85
12 11.62 6.84
12.25 12.34 7.26
12.5 12.52 7.36
12.75 12.78 7.52
13 14.47 8.51
13.5 16.2 9.53
14 17.84 10.49
15 21.92 12.89
16 27.25 16.03
17 33.55 19.74
18 38.6 22.71
19 41.78 24.58
20 50.22 29.54
22 67.43 39.66
25 99.18 58.34
30 181.77 106.92
40 374.15 220.09
Pear C.Z. weight Diamond weight
5×4 0.6 0.35
6 x 4 0.67 0.39
6.50 x 4.50 0.97 0.57
7 x 5 1.21 0.71
8 x 5 1.38 0.81
8.5 x 5.5 1.83 1.08
9 x 6 2.26 1.33
9 x 7 2.98 1.75
3.25 0.24 0.14
10 x 7 3.06 1.8
10 x 8 4.19 2.46
11 x 7.50 4.44 2.61
11 x 8 5.1 3
12 x 8 5.06 2.98
12 x 9 5.85 3.44
13 x 8 5.04 2.98
14 x 8 5.9 3.47
13 x 9 6.99 4.11
14 x 9 7.01 4.12
15 x 9 8.6 5.06
14 x 10 9.2 5.41
13 x 11 9.61 5.65
15 x 10 9.78 5.75
16 x 10 10.66 6.27
17 x 10 10.99 6.46
15 x 11 12.52 7.36
17 x 11 13.68 8.05
18 x 11 13.84 8.14
16 x 12 15.29 8.99
18 x 12 15.9 9.35
18.5 x 12 17.9 10.53
18 x 13 19.83 11.66
19 x 12 17 10
19 x 13 20.79 12.23
20 x 14 24.92 14.66
23 x 13 25.89 15.23
22 x 14 26.3 15.47
23 x 14 26 15.29
25 x 15 30.02 17.66
25 x 20 64 37.65
Oval C.Z. weight Diamond weight
5 x 3 0.35 0.21
5 x 4 0.55 0.32
6 x 4 0.73 0.43
6 x 5 1.04 0.61
7 x 5 1.3 0.76
7.5 x 5.5 1.67 0.98
8 x 6 2.06 1.21
9 x 6 2.4 1.41
9 x 7 3.16 1.86
10 x 8 4.31 2.54
12 x 8 5.09 2.99
10.5 x 8.5 4.9 2.88
11 x 9 6.54 3.85
12 x 10 8.59 5.05
14 x 10 9.87 5.81
13 x 11 10.28 6.05
14 x 8 5.9 3.47
14 x 12 13.96 8.21
15 x 12 14.89 8.76
16 x 12 15.84 9.32
18 x 13 21.86 12.86
20 x 15 32.17 18.92
22 x 16 40.84 24.02
Heart C.Z. weight Diamond weight
4 0.4 0.24
4.5 0.57 0.34
5 0.75 0.44
5.5 1.03 0.61
6 1.25 0.74
6.25 1.41 0.83
8 x 6 2.06 1.21
6.5 1.58 0.93
7 1.92 1.13
7.5 2.71 1.59
8 2.9 1.71
9 4.1 2.41
9.5 4.93 2.9
10 5.38 3.16
11 7.5 4.41
12 9.63 5.66
13 13.4 7.88
14 15.95 9.38
15 18.34 10.79
16 22.56 13.27
18 35.5 20.88
20 42.01 24.71
Marquise C.Z. weight Diamond weight
4 x 2 0.15 0.08
4.5 0.57 0.34
5 0.75 0.44
5 x 2.5 0.24 0.14
6 x 3 0.41 0.24
6.5 x 3.5 0.53 0.31
7 x 3.5 0.6 0.35
8 x 3.5 0.69 0.41
8 x 4 0.8 0.47
9 x 4.5 1.2 0.71
10 x 5 1.62 0.95
11 x 5.5 2.12 1.25
12 x 6 2.75 1.62
13 x 6.5 3.6 2.11
14 x 7 4.22 2.48
15 x 7.5 5.25 3.09
16 x 8 6.57 3.86
14 15.95 9.38
17 x 8.5 8.3 4.88
18 x 9 9.61 5.65
20 x 10 13.49 7.94
22 x 11 16.28 9.58
30 x 15 36.5 21
Square /Princess C.Z. weight Diamond weight
3 0.3 0.18
3.25 0.44 0.26
3.5 0.5 0.29
3.75 0.53 0.31
4 0.66 0.39
4.25 0.74 0.44
4.5 0.95 0.56
4.75 1.08 0.64
5 1.21 0.71
5.5 1.68 0.99
6 2.1 1.24
6.5 2.71 1.59
7 3.33 1.96
7.5 4.08 2.4
7.75 4.66 2.74
8 5.12 3.01
8.25 5.5 3.24
8.5 6.24 3.67
8.75 6.97 4.1
9 7.01 4.12
9.5 8.65 5.09
9.75 9.12 5.36
10 9.56 5.62
10.25 10.19 5.99
11 12.64 7.44
11.5 16.05 9.44
12 16.18 9.52
13 21.86 12.86
14 25.75 15.15
16 40.94 24.08
18 55.14 32.44
20 72.52 42.66
22 99.73 58.66
Trillion C.Z. weight Diamond weight
3.5 0.28 0.16
3.75 0.32 0.19
4 0.39 0.23
4.25 0.46 0.27
4.5 0.53 0.31
4.75 0.63 0.37
5 0.72 0.42
5.25 0.83 0.49
5.5 0.93 0.55
5.75 1.08 0.64
6 1.19 0.7
6.25 1.28 0.75
6.5 1.55 0.91
6.75 1.66 0.98
7 1.87 1.1
7.5 2.06 1.21
8 2.97 1.75
8.5 3 1.76
9 3.99 2.35
10 5.3 3.12
11 6.22 3.66
12 8.33 4.9
13 10.91 6.42
Emerald C.Z. weight Diamond weight
5 x 3 0.5 0.29
6 x 4 1.13 0.66
6.5 x 4.5 1.49 0.88
7 x 5 1.81 1.06
8 x 6 2.95 1.74
8.5 x 6.5 3.69 2.17
9 x 7 4.46 2.62
9.5 x 7.5 5.46 3.21
10 x 8 6.44 3.79
12 x 8 8.13 4.78
11 x 9 8.85 5.21
13 x 9 10.84 6.38
12 x 10 11.82 6.95
14 x 10 14.42 8.48
13 x 11 15.52 9.13
14 x 12 19.15 11.26
15 x 11 19.51 11.48
16 x 12 24.18 14.22
18 x 13 32.86 19.33
20 x 15 44.03 25.9
Triangle C.Z. weight Diamond weight
3 0.21 0.12
3.5 0.3 0.18
4 0.4 0.24
4.25 0.54 0.32
4.5 0.63 0.37
5 0.76 0.45
5.25 0.9 0.53
5.5 1.13 0.66
5.75 1.2 0.71
6 1.3 0.76
6.25 1.46 0.86
6.5 1.6 0.94
6.75 1.73 1.02
7 1.89 1.11
7.25 2.25 1.32
7.5 2.47 1.45
7.75 2.88 1.69
8 3.04 1.79
8.25 3.16 1.86
9 3.66 2.15
9.25 4.32 2.54
9.5 5.13 3.02
9.75 5.52 3.25
10 5.98 3.52
10.25 6.17 3.63
11 8.05 4.74
12 10.25 6.03
13 13.8 8.12
14 15.94 9.83
15 17.92 10.54
20 49.44 29.08
25 89.96 52.92
Radiant C.Z. weight Diamond weight
4.50 x 3.50 0.58 0.34
5 x 3 0.52 0.31
6 x 3 0.7 0.41
6 x 4 1.03 0.6
6.50 x 4.50 1.41 0.83
7 x 5 1.94 1.14
7.5 x 5.5 2.5 1.47
8 x 6 2.96 1.74
8.5 x 6.5 3.8 2.24
9 x 7 4.46 2.62
9.50 x 7.50 5.4 3.18
10 x 8 5.94 3.49
11 x 9 8.58 5.05
12 x 9 10.3 6.06
11.50 x 10 10.97 6.45
12 x 10 11.55 6.79
14 x 10 14.4 8.47
13 x 11 15.86 9.33
13.50 x 11.50 17.32 10.19
14 x 12 20.64 12.14
20 x 10 22.85 13.44
16 x 12 23.08 13.58
18 x 13 33.68 19.81
20 x 15 47.86 28.15
24 x 16 69.6 40.94

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