999 platinum hallmark: what it means
What the 999 platinum hallmark guarantees about a piece, from the standards of fineness in the UK Hallmarking Act 1973.
| Hallmark | Figures struck | Metal | Precious metal content | Gold carat equivalent |
|---|---|---|---|---|
| 999 platinum | 999 | Platinum | 99.9% platinum |
Common questions
- What does the 999 platinum hallmark mean?
- 99.9% platinum.