Thousands of pure gold: the gold content of not less than 999 is called thousands of pure gold, which is the highest value in jewelry color naming. The stamps are thousands of gold, 999 gold, 999 gold or g999 gold.
Extended data:
To buy gold jewelry, we must first recognize the quality inspection marks of gold jewelry. Most of the gold ornaments sold in the market are equipped with inspection marks of quality inspection institutions, which clearly indicate the gold content and weight of the ornaments. 999 gold is also called thousands of gold, and the gold content is not less than 999 ‰; 990 gold is called pure gold, and the gold content is not less than 990 ‰;
The gold content of 22K gold is not less than 916 ‰; 18K gold has a gold content of not less than 750 ‰; 14K gold has a gold content of not less than 585 ‰; The gold content of 9K gold is not less than 375‰.