Item #: 944767 This is an authentic TIFFANY Platinum Diamond Cobblestone Key Pendant. The pendant is crafted of platinum and features a key motif with four rose cut diamonds at the center surrounded by pave round brilliant cut diamonds of approximately .50 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.