You will find on each of your gold items a karat weight. Each karat weight will determine the percentage of gold that is in the jewelry and what percentage of other metals are there as well. If you look at the chart below you will see each karat weight and the percentages as well. Let us know if you have any questions. Visit us at Gold Buyers Nashville.
| Look for these markings | Other metals added (%) |
| 24kt , 990 or .9999 (pure) | 0 % |
| 22kt or 916 (91.6% pure) | .084 % |
| 21kt or 875 (87.5% pure) | .125 % |
| 18kt or 750 (75% pure) | 25 % |
| 16kt or dental gold (66% pure) | 34% |
| 15kt or 625 (62.5 % pure) | 37.5 % |
| 14kt or 585 (58.5 % pure) | 41.5 % |
| 12kt or 500 (50% pure) | 50 % |
| 10kt or 417 (41.7% pure) | 58.3 % |
| 9kt or 375 (37.5% pure) | 37.5 % |
| 8kt or 333 (33 % pure) | 66 % |
| No Stamping | Unknown |