| Metal | Density |
| Gold | 19.3 |
| Silver | 10.5 |
| Platinum | 21.4 |
| Palladium | 12.0 |
| Copper | 9.0 |
| 9ct | 10.9 to 12.7 |
| 14ct | 12.9 to 14.6 |
| 18ct Yellow | 15.2 to 15.9 |
| 18ct White | 14.7 to 16.9 |
| 22ct | 17.7 to 17.8 |
| Sterling Silver | 10.2 to 10.3 |
| 950 Platinum | 20.1 |
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