Comparison table of diameter (mm) and weight (carat) of loose round diamonds

Weight (CT)diameter(mm)Weight (CT)diameter(mm)Weight (CT)diameter(mm)Weight (CT)diameter(mm)
0.011.400.314.390.615.500.916.29
0.021.760.324.440.625.530.926.31
0.032.020.334.480.635.560.936.33
0.042.220.344.530.645.590.946.36
0.052.390.354.570.655.620.956.38
0.062.540.364.620.665.650.966.40
0.072.670.374.660.675.680.976.42
0.082.800.384.700.685.710.986.45
0.092.910.394.740.695.730.996.47
0.103.010.404.780.705.761.006.49
0.113.110.414.820.715.79
0.123.200.424.860.725.82
0.133.290.434.900.735.84
0.143.370.444.940.745.87
0.153.450.454.970.755.90
0.163.520.465.010.765.92
0.173.600.475.050.775.95
0.183.660.485.080.785.97
0.193.730.495.120.796.00
0.203.800.505.150.806.02
0.213.860.515.190.816.05
0.223.920.525.220.826.07
0.233.980.535.250.836.10
0.244.030.545.280.846.12
0.254.090.555.320.856.15
0.264.140.565.350.866.17
0.274.190.575.380.876.20
0.284.250.585.410.886.22
0.294.300.595.440.896.24
0.304.340.605.470.906.27
0.01ct – 1.00ct Chart
Weight (CT)diameter(mm)Weight (CT)diameter(mm)Weight (CT)diameter(mm)Weight (CT)diameter(mm)
1.026.531.527.462.058.243.609.95
1.046.581.547.492.108.313.7010.04
1.066.621.567.532.158.383.8010.13
1.086.661.587.562.208.443.9010.22
1.106.701.607.592.258.504.0010.31
1.126.741.627.622.308.574.1010.39
1.146.781.647.652.358.634.2010.47
1.166.821.667.682.408.684.3010.55
1.186.861.687.722.458.754.4010.63
1.206.901.707.752.508.814.5010.71
1.226.931.727.782.558.874.6010.79
1.246.971.747.812.608.924.7010.87
1.267.011.767.842.658.984.8010.95
1.287.051.787.872.709.014.9011.02
1.307.081.807.892.759.095.0011.10
1.327.121.827.922.809.155.5011.46
1.347.161.847.952.859.206.0011.79
1.367.191.867.982.909.266.5012.11
1.387.231.888.012.959.317.0012.41
1.407.261.908.043.009.367.5012.70
1.427.291.928.063.109.468.0012.98
1.447.331.948.093.209.568.5013.24
1.467.361.968.123.309.669.0013.50
1.487.401.988.153.409.769.5013.75
1.507.432.008.183.509.8510.0013.98
1.00ct – 10.00ct Chart

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