What is EC 925 on jewelry?

EC 925 on jewelry indicates that the piece is made of sterling silver, with "925" representing that it contains 92.5% pure silver and 7.5% of other metals, typically copper, to enhance durability. The "EC" stands for "Ecuador," suggesting that the jewelry may be crafted in Ecuador or that it is associated with Ecuadorian silver jewelry. This marking assures consumers of the quality and authenticity of the silver used in the piece.