鑽石分數對照表
| 直徑/mm | 質量/ct | 腰圍直徑/mm | 質量/ct |
| 1.3 | 0.01 | 4.4 | 0.32 |
| 1.7 | 0.02 | 4.6 | 0.36 |
| 2.0 | 0.03 | 4.7 | 0.38 |
| 2.2 | 0.04 | 4.8 | 0.40 |
| 2.4 | 0.05 | 5.1 | 0.50 |
| 2.6 | 0.06 | 5.5 | 0.60 |
| 2.7 | 0.07 | 5.7 | 0.70 |
| 2.8 | 0.08 | 6.0 | 0.80 |
| 2.9 | 0.09 | 6.2 | 0.90 |
| 3.0 | 0.10 | 6.5 | 1.00 |
| 3.1 | 0.11 | 6.6 | 1.05 |
| 3.2 | 0.12 | 6.8 | 1.15 |
| 3.3 | 0.14 | 7.0 | 1.26 |
| 3.4 | 0.15 | 7.2 | 1.36 |
| 3.5 | 0.16 | 7.4 | 1.49 |
| 3.6 | 0.17 | 7.6 | 1.61 |
| 3.7 | 0.18 | 7.8 | 1.74 |
| 3.8 | 0.20 | 8.0 | 1.88 |
| 3.9 | 0.22 | 8.2 | 2.00 |
| 4.0 | 0.24 | 8.8 | 2.50 |
| 4.1 | 0.25 | 9.2 | 3.00 |
| 4.2 | 0.28 | 9.8 | 3.50 |
| 4.3 | 0.30 | 10.2 | 4.00 |

