Item #: 841795 This is an authentic TIFFANY Platinum Diamond Ruby Cobblestone Key Pendant. The pendant is crafted of platinum and features a round key motif adorned with four round brilliant cut rubies and round brilliant cut diamonds weighing .29 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.