This is an authentic TIFFANY & CO Platinum Diamond Princess Cut Engagement Ring in size 8. This enchanting engagement solitaire band ring is pure platinum with .56 ct princess cut diamond. 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.