What do the letters ldp ltd stamped on a gold ring mean?

The letters "LDP" on a gold ring typically indicate the manufacturer's or designer's initials, while "LTD" usually stands for "limited," signifying that the piece is produced by a limited company. This marking can also suggest that the ring is part of a limited edition or collection. However, the specific meaning can vary based on the jeweler or brand, so it's advisable to consult the retailer or an expert for precise identification.