Item #: 963597 This is an authentic TIFFANY Platinum Diamond Ornate Heart Key Pendant Necklace. The necklace is crafted of platinum and features a platinum chain holding a heart key motif set with round & pear cut diamonds, approximately 1.12 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.