Item #: 1549888 This is an authentic TIFFANY 18K Rose White Gold Diamond Lock Ring 63 10.5. The ring is crafted of 18 karat white gold and features a polished lock motif band with one half set with diamonds. approximately .26 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.