This is an authentic TIFFANY Platinum 18K Yellow Gold Fancy Yellow Diamond .25ct Buttercup Ring size 49 or 4.75. This ring is crafted of platinum and features an 18 karat yellow gold bezel holding a round cut yellow diamond with VVS1 clarity, weighing approximately .25 carats, accented with six surrounding diamonds for a total .52 carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.