This is an authentic TIFFANY Platinum 18K White Gold Diamond Fleur de Lis Key Pendant Necklace. The pendant is crafted of platinum and features a delicate 18 karat white gold chain holding a crown key motif adorned with round brilliant cut diamonds, approximately .41 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.