A Platinum and Diamond Ring, Harry Winston, Circa 1966, containing one marquise cut diamond weighing 2.15 carats and two tapered baguette cut diamonds weighing approximately 0.45 carat total.Stamp: 2.15 WINSTON PLATINUM.Accompanied by leather box signed Harry Winston.Accompanied by a copy of a Retail Replacement Valuation from Harry Winston dated April 8, 2013 referencing the GIA report number 10431434.Accompanied by a copy of Gemological Institute of America diamond grading certificate number 10431434, dated August 25, 1998, stating Color: E, Clarity: VS2, Polish: Good, Symmetry: Good, Fluorescence: None. 3.10 dwts.