An Important Platinum, Emerald and Diamond Ring, containing one octagonal step cut emerald measuring approximately 10.85 x 8.50 x 5.80 mm, one antique octagonal step cut diamond weighing approximately 4.27 carats, six tapered and straight baguette cut emeralds and seven tapered and straight baguette cut diamonds weighing approximately 0.48 carat total, within an intricately constructed openwork setting.Stamp: 10%IRID PLAT.Accompanied by an American Gemological Laboratories emerald identification and origin certificate number CS 62417, dated July 23, 2014, stating Mineral Type: Natural Beryl, Variety: Emerald, Origin: Classic Colombia, Clarity Enhancement: Insignificant, Type: Traditional.Accompanied by a Gemological Institute of America diamond grading certificate number 1166454381, dated August 1, 2014, stating Weight: 4.27 carats, Color: F, Clarity: VS2, Table: 61.00%, Depth: 57.60%, Polish: Very Good, Symmetry: Good, Fluorescence: None. 5.70 dwts.