Gold Purity

9K: 37.5% Pure Gold / 62.5% Alloy - 375 

10K: 41.7% Pure Gold / 58.3% Alloy - 417

12K: 50.0% Pure Gold / 50.0% Alloy - 500

14K: 58.5% Pure Gold / 41.5% Alloy - 585

18K: 75.0% Pure Gold / 25.0% Alloy - 750

22K: 91.7% Pure Gold / 8.3% Alloy - 917

24K: 99.9% Pure Gold / 0.1% Alloy - 999