What does 925 IPS China mean mark on gold jewelry?

The mark "925 IPS" on gold jewelry indicates that the piece is made of sterling silver, as "925" signifies that the item contains 92.5% pure silver, with the remaining 7.5% typically being other metals like copper. The "IPS" stands for "International Plating Standard," suggesting that the jewelry may be gold-plated over the sterling silver base. This mark is commonly used to denote quality and authenticity in jewelry, especially in pieces made in China.