Item #: 1816177 This is an authentic TIFFANY 18K White Gold Diamond Lock Ring size 55 or 7.25. The ring is crafted of 18 karat white gold and features a polished lock motif band with one half set with diamonds. approximately .15 total carat weight. PLEASE NOTE: PLEASE NOTE: Due to the oval shape of this ring, it may fit slightly larger. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.