A Tiffany & Co round brilliant cut diamond ring in platinum. The 0.66ct diamond is E colour and VS1 clarity, within the classic Tiffany knife edge setting. The ring is currently a size J but can be adjusted for a perfect fit and the gross weight is 5.31 grams.The ring comes complete with an original Tiffany & Co presentation box, Tiffany & Co diamond report and Valuation for Insurance dated August 2012.