Item #: 973230 This is an authentic TIFFANY Sterling Silver Diamond Lock Pendant Necklace. The pendant is crafted of sterling silver and features a lock motif engraved with the Tiffany logo and set with four round brilliant cut diamonds, approximately .05 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.