The purity of gold refers to the content of gold. Generally, K is used to indicate the purity of gold. 24K gold has the highest purity, followed by 18K. The name of gold depends on its purity. The state stipulates that jewelry will be engraved with color, such as: thousands of gold AU9999) pure gold (AU9990) G750 AU750 18K, etc. Gold can be distinguished by color, weight, hardness, sound, burning and marking.

Tips: The above explanations are for reference only.

Reply time: 2021-11-22. Please refer to the latest business changes announced by Ping An Bank in official website.