Item #: 309939 This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond Ruby Schlumberger Sixteen Stone Ring in a size EU 50, US 5.25. This stylish ring is crafted of 18 karat yellow gold and platinum with sixteen diamonds totaling a approximately carat total weight 1.14. This is a lovely ring with the unforgettable look of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.