Item #: 596589 This is an authentic TIFFANY Platinum Diamond Small Heart Lock Pendant Necklace. The necklace is crafted of platinum and features a heart motif pendant with a center keyhole cutout with pave set diamonds, approximately .36 total carat weight. This is a stunning necklace with with timeless style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.