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    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

    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