Item #: 1277958 This is an authentic TIFFANY Platinum Diamond Tanzanite Enchant Heart Key Pendant. The pendant is crafted of platinum and features a key motif encrusted with diamonds approximately 1.14 total carat weight and a single centered tanzanite. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.