This is an authentic TIFFANY Platinum 18K Rose Gold Pink Diamond Crown Key Pendant. The pendant is crafted of platinum and 18 karat rose gold, and features a key motif set with diamonds along with a single pink diamond in the center, approximately .23 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.