This is an authentic TIFFANY Platinum 18K White Gold Diamond Mini Open Circle Pendant Necklace. The necklace is crafted of 18 karat white gold and platinum and features a platinum circular pendant set with round brilliant cut diamonds, approximately .24 total carat weight, on a white gold link chain. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.