This is an authentic TIFFANY Platinum 18K Rose Gold Pink White Diamond Enchant Quatra Heart Key Pendant. The pendant is crafted of platinum and 18 karat rose gold and features an enchanting key motif set with round brilliant cut pink and white diamonds weighing .37 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.