A Platinum, 18 Karat Rose Gold, Fancy Gray-Blue Diamond, Colored Diamond and Diamond Ring, containing one heart shape brilliant cut fancy gray-blue diamond weighing 0.93 carat, 18 round brilliant cut pink colored diamonds (origin of color not tested) weighing approximately 0.07 carat total, and 52 round brilliant cut diamonds weighing approximately 0.18 carat total.Stamp: (maker's mark) PT900 750.Accompanied by a Gemological Institute of America colored diamond grading certificate number 2125831999, dated November 29, 2010, stating Color: Natural, Fancy Gray-Blue, Even, Clarity: SI1, Polish: Good, Symmetry: Good, Fluorescence: Medium Blue. 4.45 dwts.