Gold Hallmarks
| Carat |
Purity |
Content (%) |
Comments |
|---|---|---|---|
24 |
999 |
99.9 |
Three nines |
24 |
990 |
99 |
Two nines (minimum) |
22 |
916 |
91.6 |
Indian Subcontinent |
21 |
875 |
87.5 |
Arabic Countries |
19.2 |
800 |
80 |
Portugal Standard |
18 |
750 |
75 |
Standard Carat Age |
14.8 |
620 |
62 |
Dental Gold (minimum) |
14 |
585 |
58.5 |
USA |
10 |
417 |
41.7 |
USA (minimum) |
9 |
375 |
37.5 |
UK Standard |
8 |
333 |
33.3 |
Germany (minimum) |
