This is an authentic TIFFANY & CO 18K White Gold Diamond Mini Heart Lock Pendant Necklace. This stylish necklace is 18 karat white gold necklace and hangs at collar length. The necklace features a 11mm heart shaped white gold pendant with .06 ctw diamonds. 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.