Item #: 294000 This is an authentic TIFFANY Platinum Diamond .17ct Harmony Solitaire Engagement Ring 53.5 6.5. This lovely engagement ring is crafted in platinum and has approximately a .17 carat solitaire round diamond beautifully set in four prongs. Enjoy this special ring for someone special with the unforgettable style of Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.