Item #: 191162 This is an authentic TIFFANY & CO 18K Yellow Gold Diamond Mini Heart Lock Pendant Necklace. This stylish necklace is 18 karat yellow gold necklace and hangs at collar length. The necklace features a 11mm heart shaped gold pendant with three diamonds worth .06 carats in total weight. This is an excellent necklace with the unforgettable look of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.