You are Buying an Authentic Tiffany & Co. 2.53 ct Total Weight Platinum Legacy Cushion Brilliant Cut Diamond Engagement Ring. The ring weighs 5.8 grams, size 9, the center stone is a Legacy Cushion Brilliant Cut diamond weighing 2.17 ct, D in Color, VVS1 in Clarity, with None Fluorescence, Excellent cut, Good symmetry, & Very Good Polish, 7.57 x 7.36 x 4.86 mm. The Legacy Cushion cut is patented, it is only cut & sold by Tiffany & Co. There are 42 Round Brilliant Cut side diamonds weighing...