Item #: 1503612 This is an authentic TIFFANY 18K White Gold Diamond Lock Ring size 62 or 10. The ring is crafted of 18 karat white gold and features a polished lock motif band with one half set with diamonds. approximately .17 total carat weight. PLEASE NOTE: The ring contains 25 diamonds, however the inscription states "18". Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.