| Round MM Size | Round Carat Weight |
|---|---|
| 0.8 mm | 0.0025 ct |
| 1 mm | 0.005 ct |
| 1.1 mm | 0.0067 ct |
| 1.2 mm | 0.009 ct |
| 1.25 mm | 0.01 ct |
| 1.3 mm | 0.01 ct |
| 1.5 mm | 0.015 ct |
| 1.75 mm | 0.02 ct |
| 1.8 mm | 0.025 ct |
| 2 mm | 0.03 ct |
| 2.2 mm | 0.04 ct |
| 2.5 mm | 0.06 ct |
| 2.75 mm | 0.08 ct |
| 3 mm | 0.10 ct |
| 3.25 mm | 0.14 ct |
| 3.5 mm | 0.17 ct |
| 3.75 mm | 0.21 ct |
| 4 mm | 0.25 ct |
| 4.25 mm | 0.28 ct |
| 4.5 mm | 0.36 ct |
| 4.75 mm | 0.44 ct |
| 5.0 mm | 0.50 ct |
| 5.25 mm | 0.56 ct |
| 5.5 mm | 0.66 ct |
| 5.75 mm | 0.75 ct |
| 6 mm | 0.84 ct |
| 6.25 mm | 0.93 ct |
| 6.5 mm | 1.00 ct |
| 6.8 mm | 1.25 ct |
| Round MM Size | Round Carat Weight |
|---|---|
| 7 mm | 1.30 ct |
| 7.3 mm | 1.50 ct |
| 7.5 mm | 1.67 ct |
| 7.75 mm | 1.75 ct |
| 8 mm | 2.00 ct |
| 8.25 mm | 2.11 ct |
| 8.5 mm | 2.43 ct |
| 8.7 mm | 2.50 ct |
| 9 mm | 2.75 ct |
| 9.1 mm | 3.00 ct |
| 9.5 mm | 3.35 ct |
| 9.75 mm | 3.61 ct |
| 10 mm | 3.87 ct |
| 10.25 mm | 4.16 ct |
| 10.5 mm | 4.41 ct |
| 10.75 mm | 4.57 ct |
| 11 mm | 4.91 ct |
| 11.25 mm | 5.49 ct |
| 11.5 mm | 5.85 ct |
| 12 mm | 6.84 ct |
| 12.25 mm | 7.26 ct |
| 12.5 mm | 7.36 ct |
| 12.75 mm | 7.52 ct |
| 13 mm | 8.51 ct |
| 13.5 mm | 9.53 ct |
| 14 mm | 10.49 ct |
| 15 mm | 12.89 ct |
| 16 mm | 16.06 ct |
| Princess MM Size | Princess Carat Weight |
|---|---|
| 1.5 mm | 0.015 ct |
| 1.75 mm | 0.03 ct |
| 2 mm | 0.06 ct |
| 2.25 mm | 0.08 ct |
| 2.5 mm | 0.10 ct |
| 2.75 mm | 0.13 ct |
| 3 mm | 0.18 ct |
| 3.25 mm | 0.26 ct |
| 3.5 mm | 0.29 ct |
| 3.75 mm | 0.31 ct |
| 4 mm | 0.39 ct |
| 4.25 mm | 0.44 ct |
| 4.5 mm | 0.50 ct |
| 4.75 mm | 0.64 ct |
| 5 mm | 0.75 ct |
| 5.25 mm | 0.90 ct |
| 5.5 mm | 1.00 ct |
| 5.75 mm | 1.11 ct |
| 6 mm | 1.25 ct |
| Princess MM Size | Princess Carat Weight |
|---|---|
| 6.5 mm | 1.50 ct |
| 6.75 mm | 1.75 ct |
| 7 mm | 2.00 ct |
| 7.25 mm | 2.01 ct |
| 7.5 mm | 2.50 ct |
| 7.75 mm | 2.74 ct |
| 8 mm | 3.00 ct |
| 8.25 mm | 3.24 ct |
| 8.5 mm | 3.67 ct |
| 8.75 mm | 4.10 ct |
| 9 mm | 4.12 ct |
| 9.5 mm | 5.09 ct |
| 9.75 mm | 5.36 ct |
| 10 mm | 5.62 ct |
| 10.25 mm | 5.76 ct |
| 10.5 mm | 5.99 ct |
| 11 mm | 7.44 ct |
| 11.5 mm | 9.44 ct |
| 12 mm | 9.52 ct |
| Asscher MM Size | Asscher Carat Weight |
|---|---|
| 4 mm | 0.39 ct |
| 4.5 mm | 0.50 ct |
| 5 mm | 0.75 ct |
| 5.5 mm | 1.00 ct |
| 6 mm | 1.25 ct |
| 6.5 mm | 1.50 ct |
| 7 mm | 2.00 ct |
| 7.5 mm | 2.50 ct |
| 8 mm | 3.00 ct |
| 8.5 mm | 3.50 ct |
| 9 mm | 4.12 ct |
| 9.5 mm | 5.09 ct |
| 10 mm | 5.62 ct |
| 11 mm | 7.44 ct |
| 12 mm | 9.52 ct |
| 13 mm | 12.66 ct |
| Radiant MM Size | Radiant Carat Weight |
|---|---|
| 5x3 mm | 0.31 ct |
| 4.5x3.5 mm | 0.34 ct |
| 6x3 mm | 0.41 ct |
| 6x4 mm | 0.50 ct |
| 6.5x4.5 mm | 0.75 ct |
| 7x5 mm | 1.00 ct |
| 7.3x5.5 mm | 1.25 ct |
| 7.5x5.8 mm | 1.50 ct |
| 8x6 mm | 2.00 ct |
| 8.5x6.5 mm | 2.25 ct |
| 9x7 mm | 2.50 ct |
| 9.5x7.5 mm | 3.00 ct |
| 10x7 mm | 3.31 ct |
| 10x8 mm | 3.50 ct |
| 11x9 mm | 5.05 ct |
| 12x9 mm | 6.06 ct |
| 11.5x10 mm | 6.45 ct |
| 13x9 mm | 6.54 ct |
| 12x10 mm | 6.79 ct |
| 14x10 mm | 8.47 ct |
| 13x11 mm | 9.33 ct |
| 13.5x11.5 mm | 10.19 ct |
| 15x11 mm | 11.48 ct |
| 14x12 mm | 12.14 ct |
| 16x12 mm | 14.22 ct |
| Cushion MM Size | Cushion Carat Weight |
|---|---|
| 4.2 mm | 0.40 ct |
| 4.9 mm | 0.50 ct |
| 5.25 mm | 0.75 ct |
| 5.5 mm | 1.00 ct |
| 6 mm | 1.25 ct |
| 6.5 mm | 1.50 ct |
| 7 mm | 2.00 ct |
| 7.5 mm | 2.50 ct |
| 8 mm | 3.00 ct |
| 8.5 mm | 3.50 ct |
| 9 mm | 4.12 ct |
| 9.5 mm | 5.09 ct |
| 10 mm | 5.62 ct |
| 11 mm | 7.44 ct |
| 12 mm | 9.52 ct |
| 13 mm | 12.66 ct |
| Emerald MM Size | Emerald Carat Weight |
|---|---|
| 3x2 mm | 0.10 ct |
| 3.5x2 mm | 0.12 ct |
| 4x2 mm | 0.15 ct |
| 4x3 mm | 0.20 ct |
| 5x3 mm | 0.29 ct |
| 5.5x3.5 mm | 0.46 ct |
| 6x4 mm | 0.50 ct |
| 6.5x4.5 mm | 0.75 ct |
| 6.7x4.5 mm | 0.88 ct |
| 7x5 mm | 1.00 ct |
| 7.3x5.3 mm | 1.25 ct |
| 7.5x5.5 mm | 1.50 ct |
| 8x6 mm | 1.75 ct |
| 8.5x6.5 mm | 2.00 ct |
| 9x7 mm | 2.50 ct |
| 10x7.5 mm | 3.00 ct |
| 9.5x7.5 mm | 3.21 ct |
| 10x8 mm | 3.79 ct |
| 11x9 mm | 5.21 ct |
| 12x10 mm | 6.00 ct |
| 14x8 mm | 6.25 ct |
| 13x9 mm | 6.38 ct |
| 14x10 mm | 8.48 ct |
| 13x11 mm | 9.13 ct |
| 14x12 mm | 11.26 ct |
| 16x12 mm | 14.22 ct |
| Marquise MM Size | Marquise Carat Weight |
|---|---|
| 3x1.5 mm | 0.025 ct |
| 3.5x1.75 mm | 0.065 ct |
| 3.5x2 mm | 0.07 ct |
| 4x2 mm | 0.10 ct |
| 3.75x1.75 mm | 0.11 ct |
| 4.25x2.25 mm | 0.12 ct |
| 5x2.5 mm | 0.14 ct |
| 5.5x2.75 mm | 0.16 ct |
| 5.5x3 mm | 0.18 ct |
| 5x3 mm | 0.20 ct |
| 6.5x3 mm | 0.23 ct |
| 6x3 mm | 0.25 ct |
| 7x3 mm | 0.30 ct |
| 7.5x3.5 mm | 0.33 ct |
| 7x4 mm | 0.34 ct |
| 8x4 mm | 0.50 ct |
| 8.75x4.25 mm | 0.70 ct |
| 9x4.5 mm | 0.75 ct |
| Marquise MM Size | Marquise Carat Weight |
|---|---|
| 9.5x4.7 mm | 0.85 ct |
| 10x5 mm | 1.00 ct |
| 11x5.5 mm | 1.25 ct |
| 11.5x6 mm | 1.33 ct |
| 12x6 mm | 1.50 ct |
| 13x6.5 mm | 2.00 ct |
| 14x7 mm | 2.50 ct |
| 15x7 mm | 3.00 ct |
| 14x8 mm | 3.00 ct |
| 15x7.5 mm | 3.25 ct |
| 15x8 mm | 3.44 ct |
| 16x8 mm | 3.86 ct |
| 16.5x8.25 mm | 4.00 ct |
| 17x8.5 mm | 4.88 ct |
| 17.5x10 mm | 5.50 ct |
| 20x8 mm | 7.08 ct |
| 20x10 mm | 7.94 ct |
| 20x11 mm | 9.50 ct |
| Oval MM Size | Oval Carat Weight |
|---|---|
| 3.6x2.7 mm | 0.10 ct |
| 4x3 mm | 0.15 ct |
| 4.5x3.5 mm | 0.20 ct |
| 5x3.5 mm | 0.25 ct |
| 5.5x3.5 mm | 0.33 ct |
| 5x4 mm | 0.35 ct |
| 6x4 mm | 0.50 ct |
| 6x5 mm | 0.61 ct |
| 6.5x4.5 mm | 0.65 ct |
| 7x5 mm | 0.75 ct |
| 7.7x5.7 mm | 1.00 ct |
| 8x6 mm | 1.25 ct |
| 9x6 mm | 1.41 ct |
| 8.5x6.5 mm | 1.50 ct |
| 9x7 mm | 2.00 ct |
| 10x8 mm | 2.50 ct |
| 10.5x8.5 mm | 2.88 ct |
| 12x8 mm | 3.00 ct |
| 11x9 mm | 3.85 ct |
| 12x10 mm | 5.05 ct |
| 14x10 mm | 5.81 ct |
| 13x11 mm | 6.05 ct |
| 14x12 mm | 8.21 ct |
| 15x12 mm | 8.76 ct |
| 16x12 mm | 9.32 ct |
| 16x14 mm | 11.88 ct |
| 18x13 mm | 12.86 ct |
| 20x15 mm | 14.96 ct |
| Pear MM Size | Pear Carat Weight |
|---|---|
| 3x2 mm | 0.13 ct |
| 4x2.5 mm | 0.18 ct |
| 4x3 mm | 0.21 ct |
| 5x3 mm | 0.25 ct |
| 5x4 mm | 0.35 ct |
| 6x4 mm | 0.50 ct |
| 6.5x4.5 mm | 0.60 ct |
| 7x5 mm | 0.75 ct |
| 7.5x5.5 mm | 0.85 ct |
| 7.7x5.7 mm | 1.00 ct |
| 8x6 mm | 1.25 ct |
| 8.5x6.5 mm | 1.50 ct |
| 10x6 mm | 1.71 ct |
| 8.7x6.7 mm | 1.80 ct |
| 9x7 mm | 2.00 ct |
| 10x8 mm | 2.50 ct |
| 11x7.50 mm | 2.61 ct |
| 11x8 mm | 2.70 ct |
| 12x8 mm | 3.00 ct |
| Pear MM Size | Pear Carat Weight |
|---|---|
| 12x7 mm | 3.12 ct |
| 13x8 mm | 3.40 ct |
| 12x9 mm | 3.44 ct |
| 14x8 mm | 4.00 ct |
| 13x9 mm | 4.11 ct |
| 14x9 mm | 4.25 ct |
| 15x9 mm | 5.06 ct |
| 14x10 mm | 5.41 ct |
| 13x11 mm | 5.65 ct |
| 15x10 mm | 5.75 ct |
| 16x9 mm | 5.86 ct |
| 16x10 mm | 6.27 ct |
| 17x10 mm | 6.46 ct |
| 15x11 mm | 7.36 ct |
| 18x11 mm | 8.14 ct |
| 16x12 mm | 8.99 ct |
| 18x12 mm | 9.35 ct |
| 18x13 mm | 10.21 ct |
| Heart MM Size | Heart Carat Weight |
|---|---|
| 3.5 mm | 0.18 ct |
| 4 mm | 0.25 ct |
| 4.25 mm | 0.28 ct |
| 4.5 mm | 0.34 ct |
| 4.75 mm | 0.38 ct |
| 5 mm | 0.50 ct |
| 5.5 mm | 0.61 ct |
| 6 mm | 0.75 ct |
| 6.25 mm | 0.83 ct |
| 6.5 mm | 1.00 ct |
| 7 mm | 1.25 ct |
| 7.5 mm | 1.50 ct |
| 8 mm | 2.00 ct |
| 8.5 mm | 2.50 ct |
| 9 mm | 3.00 ct |
| 10 mm | 3.50 ct |
| 11 mm | 4.41 ct |
| 12 mm | 5.66 ct |
| 13 mm | 7.88 ct |
| 14 mm | 9.38 ct |
| 15 mm | 10.79 ct |
| 16 mm | 13.27 ct |
| 18 mm | 15.33 ct |