Item #: 1477120 This is an authentic TIFFANY Platinum 18K Yellow Gold Yellow Diamond Bloom Key Pendant. The pendant is crafted of platinum and 18 karat yellow gold and features a single fancy yellow diamond and pave set round brilliant diamonds weighing approximately .36 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.