This is an authentic TIFFANY 18K Rose Gold Diamond Pink Opal T Circle Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a T motif circle pendant set with a pink opal and approximately .05 total carat weight of diamonds. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.