overed with a thin layer of gold
Many people think that the “925” mark on a gold piece of jewelery means that it contains 925/1000 gold, or, in other words, it has 92.5% gold content. However, it is not.
What does the “925” sample mean on jewelry? 92.5% is not the standard value of the purity of gold, and it does not correspond to any commonly used number of carats. Continue reading