Item #: 405884 This is an authentic TIFFANY Platinum Diamond Small Heart Lock Pendant Necklace. This stunning necklace is crafted of platinum with a heart shaped pendant that features diamonds weighing approximately .39 total carat weight. This is a magnificent necklace with a distinctive style, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.