Item #: 412542 This is an authentic TIFFANY 18K White Gold Diamond Mini Heart Lock Pendant Necklace. This stylish necklace is crafted of 18 karat white gold with a heart lock pendant that features diamonds weighing approximately .03 total carat weight. This is an excellent necklace with the unforgettable look of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.