Item #: 257943 This is an authentic TIFFANY & CO Sterling Silver Diamond Locks Ring in a size 53, 6.25. This is a stunning ring that is beautifully crafted of sterling silver with a tiny key hole and two diamonds. It is also engraved on the inside of the ring Y. Y. R. This is a marvelous ring for a one of a kind look, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.