24K gold (999 real gold) means that it is 100% gold

24K 金(足金)由100%的黃金組成

​

18K gold – AU750, means that it is made of 75% gold.

18K 金 - AU750 由75%的黃金組成

​

14K gold – means that it is made of 58.3% of gold

14K 金由58.3%的黃金組成

​

Platinum PT950, means that it is made of 95% gold.

鉑金 PT950 由95%的黃金組成

​

Platinum PT900, means that it is made of 90% of gold.

鉑金 PT900 由90%的黃金組成

​

Silver 925, 18K plated, means that the inside is made of silver but with 3 layers of 18K gold coating, more durable then plain silver.

白銀 925 - 18K鍍金 指的是由白銀製成，並以三層18K金鍍製而成，比一般白銀更加堅固。