Item #: 879925 This is an authentic TIFFANY Sterling Silver 18K Yellow Gold Heart Key Lock Pendant Necklace. The necklace is crafted of sterling silver accented with 18 karat yellow gold and features a beaded chain holding a large polished heart motif key . Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.