Wondering what a 1 carat Radiant diamond looks link on a hand? Our Radiant diamond size chart will help you convert millimeter (mm) size to carat size for Radiant cut diamonds.
Radiant Diamond Sizes
| Radiant MM Size |
Radiant Weight (ct) |
Black Diamond ct weight (Approx) |
|---|---|---|
| 5×3 mm. | 0.31 | 0.40 |
| 4.5×3.5 mm. | 0.34 | 0.44 |
| 6×3 mm. | 0.41 | 0.53 |
| 6×4 mm. | 0.50 | 0.65 |
| 6.5×4.5 mm. | 0.75 | 1.00 |
| 7×5 mm. | 1.00 | 1.40 |
| 7.3×5.5 mm. | 1.25 | 1.80 |
| 7.5×5.8 mm. | 1.50 | 2.10 |
| 8×6 mm. | 2.00 | 2.80 |
| 8.5×6.5 mm. | 2.25 | 3.20 |
| 9×7 mm. | 2.50 | 3.50 |
| 9.5×7.5 mm. | 3.00 | 4.20 |
| 10×7 mm. | 3.31 | 4.70 |
| Radiant MM Size |
Radiant Weight (ct) |
Black Diamond ct weight (Approx) |
|---|---|---|
| 10×8 mm. | 3.50 | 4.90 |
| 11×9 mm. | 5.05 | 7.10 |
| 12×9 mm. | 6.06 | 8.50 |
| 11.5×10 mm. | 6.45 | 9.10 |
| 13×9 mm. | 6.54 | 9.20 |
| 12×10 mm. | 6.79 | 9.60 |
| 14×10 mm. | 8.47 | 11.90 |
| 13×11 mm. | 9.33 | 13.10 |
| 13.5×11.5 mm. | 10.19 | 14.30 |
| 15×11 mm. | 11.48 | 16.10 |
| 14×12 mm. | 12.14 | 17.00 |
| 16×12 mm. | 14.22 | 20.00 |
