What does PG 750 mean on your ring?

The marking "PG 750" on a ring indicates that the metal is made of 75% pure gold, with the remaining 25% typically composed of other metals, such as copper or silver. The "PG" stands for "pink gold," which is a type of gold alloy that has a reddish hue due to the copper content. This marking signifies the quality and authenticity of the gold used in the piece.