Tiffany & Co. 0.60 Carat Cushion-Cut Diamond Halo Platinum RingLadies magnificant platinum Tiffany and Company halo set diamond engagement ring featuring a 0. 60 carat Cushion Cut Diamond of (VS 1) in clarity and (E) in color; Excellent cut and Very Good Symmetry. Further enhanced by a double halo of Round Brilliant cut diamonds as well as diamonds along the shank. Currently a finger size 6 but can be resized. Hallmark: Tiffany & Co Very Good Condition . Accompanied by the original Tiffany & Co papers.