What does 10KP-LDI stamped on a ring mean?

The marking "10KP-LDI" on a ring indicates that the piece is made from 10 karat pink gold, which consists of 41.7% gold content, with the remainder being other metals that enhance durability and color. The "LDI" likely refers to the manufacturer or designer's initials or brand. This marking helps identify the quality and composition of the metal used in the jewelry.