Item #: 172001 This is an authentic TIFFANY & CO 18K Yellow Gold Diamond Locks Ring 7.5. This stylish 9.5mm ring is crafted of 18k yellow gold with a key cutout detail, Tiffany & Co engraved on the band and .02 ct diamonds. This is a spectacular ring for a distinctive look, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.