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Sizes

CZ Converting From Size To Carat

Pear Shape

Size(mm) CZ(ct) Diamond(ct)
  5.0 x   3.0
  0.40
  0.24
  6.0 x   4.0
  0.68
  0.40
  7.0 x   5.0
  1.20
  0.71
  8.0 x   5.0
  1.40
  0.82
  8.5 x   5.5
  1.70
  1.00
  9.0 x   6.0
  2.15
  1.26
10.0 x   7.0
  3.20
  1.88
12.0 x   8.0
  5.00
  2.94
14.0 x   9.0
  7.50
  4.41
15.0 x 10.0
  9.00
  5.29
18.0 x 11.0
16.00
  9.41
19.0 x 12.0
17.00
10.00
23.0 x 14.0
26.00
15.29

Rectangle Shape

Size(mm) CZ(ct) Diamond(ct)
  5.0 x   3.0
  0.40
  0.24
  6.0 x   4.0
  0.68
  0.40
  6.5 x   4.5
  1.20
  0.71
  7.0 x   5.0
  1.40
  0.82
  8.0 x   6.0
  1.70
  1.00
  8.5 x   6.5
  2.15
  1.26
  9.0 x   7.0
  3.20
  1.88
  9.5 x   7.5
  5.00
  2.94
10.0 x   8.0
  7.50
  4.41
11.0 x   9.0
  9.00
  5.29
12.0 x 10.0
16.00
  9.41
14.0 x 12.0
17.00
10.00
13.0 x 12.0
26.00
15.29
18.0 x 13.0
28.48
16.75
20.0 x 15.0
45.77
16.92

Oval Shape

Size(mm) CZ(ct) Diamond(ct)
  5.0 x   3.0
  0.35
  0.21
  6.0 x   4.0
  0.75
  0.44
  7.0 x   5.0
  1.40
  0.82
  7.5 x   5.5
  1.70
  1.00
  8.0 x   6.0
  2.10
  1.24
  9.0 x   7.0
  3.20
  1.80
10.0 x   8.0
  4.60
  2.71
10.5 x   8.0
  4.90
  2.88
11.0 x   9.0
  6.20
  3.64
12.0 x 10.0
  7.70
  4.52
14.0 x 12.0
12.52
  7.36
16.0 x 12.0
17.41
10.24
18.0 x 13.0
19.40
11.41
20.0 x 15.0
19.64
17.43

Heart Shape

Size(mm) CZ(ct) Diamond(ct)
  4.0 x   4.0
  0.50
0.29
  5.0 x   5.0
  0.75
0.44
  6.0 x   6.0
  1.30
0.76
  6.5 x   6.5
  1.65
0.97
  7.0 x   7.0
  2.10
1.24
  8.0 x   8.0
  3.10
1.82
  9.0 x   9.0
  4.40
2.59
10.0 x 10.0
  4.00
3.53
11.0 x 11.0
  8.00
4.70
12.0 x 12.0
10.40
6.12
13.0 x 13.0
14.94
8.79
14.0 x 14.0
15.70
9.24

Round Shape

Size(mm) CZ(ct) Diamond(ct)
  1.25
  0.013
  0.010
  1.50
  0.023
  0.015
  1.75
  0.037
  0.020
  2.00
  0.060
  0.030
  2.25
  0.080
  0.040
  2.50
  0.100
  0.050
  2.75
  0.150
  0.060
  3.00
  0.200
  0.100
  3.25
  0.250
  0.130
  3.50
  0.300
  0.160
  3.75
  0.350
  0.200
  4.00
  0.430
  0.250
  4.25
  0.520
  0.300
  4.60
  0.620
  0.360
  4.75
  0.720
  0.420
  5.00
  0.620
  0.480
  5.25
  0.980
  0.580
  5.50
  1.100
  0.650
  5.75
  1.270
  0.750
  6.00
  1.450
  0.850
  6.25
  1.650
  0.970
  6.50
  1.850
  1.090
  6.75
  2.050
  1.200
  7.00
  2.300
  1.350
  7.50
  2.800
  1.650
  8.00
  3.350
  1.970
  8.50
  4.000
  2.350
  9.00
  4.700
  2.760
  9.50
  5.500
  3.740
10.00
  6.400
  3.760
11.00
  8.500
  5.000
12.00
11.000
  6.470
13.00
13.900
  6.180
14.00
17.400
10.240
15.00
21.000
12.350
16.00
25.300
14.880
17.00
30.000
17.540
18.00
35.300
20.760
19.00
43.590
25.640
20.00
52.000
30.630

Marquise

Size(mm) CZ(ct) Diamond(ct)
  4.0 x   2.0
  0.15
  0.08
  5.0 x   2.5
  0.24
  0.14
  6.0 x   3.0
  0.42
  0.25
  7.0 x   3.0
  0.57
  0.34
  8.0 x   4.0
  0.90
  0.53
  9.0 x   4.5
  1.15
  0.73
10.0 x   5.0
  1.70
  1.00
11.0 x   5.5
  2.25
  1.32
12.0 x   6.0
  2.85
  1.66
13.0 x   6.5
  3.60
  2.11
14.0 x   7.0
  4.50
  2.65
15.0 x   7.5
  3.50
  3.23
18.0 x   8.0
  7.50
  4.41
17.0 x   8.5
  8.30
  4.88
20.0 x 10.0
13.00
  7.63
22.0 x 11.0
16.50
  9.71
30.0 x 15.0
36.50
21.00