900 platinum hallmark: what it means
What the 900 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 |
|---|---|---|---|---|
| 900 platinum | 900 | Platinum | 90% platinum |
Common questions
- What does the 900 platinum hallmark mean?
- 90% platinum.