What does it mean that your diamond ring is engraved OJ 14k?

The engraving "OJ 14k" on your diamond ring indicates that the ring is made of 14-karat gold, which means it contains 58.3% pure gold mixed with other metals for durability. The "OJ" could represent the manufacturer's initials or a specific brand associated with the ring. This engraving signifies both the quality of the gold and potentially the identity of the jeweler or designer.