TIFFANY & CO. 0.64 Carat Round Brilliant Diamond Engagement Ring, PlatinumThe Tiffany Setting by Tiffany & Co is perhaps the world's most iconic engagement ring. As you would expect from Tiffany & Co., the diamond is of the highest quality: graded D colour, this is the whitest a diamond can be, with exceptional internal clarity and with excellent cut, polish, and symmetry. Estimated RRP 8,000. Currently size I (i) (UK) or 4 1 4 (US). Free sizing available. Presented in the original Tiffany box, outer box, ribbon and bag.