This large and lovely Thai green sapphire has a strong primary green color that is void of significant secondary hues.  There are faint secondary yellow and blue hues.  The sapphire is four prong set, was re-cut in the USA for optimal brilliance, weighs 3.65 ct and measures 10.4 X 7.52.  It has been a very difficult  stone to photograph it is much nicer in person. Complimenting the rich green color are princess and baguette cut diamonds that are 0.35 ctw and SI1 GH quality.  The ring weighs 5.78 grams of platinum and is a size 71/2.  Please request resizing on the order form.         AGTA Gemstone Enhancement Codes N = Not Enhanced E = Routinely Enhanced C = Coating D = Dyeing F = Filling H = Heating HP = Heat & Pressure I = Impregnating L = Lasering O = Oiling/Resin R = Irradiation U = Diffusion W = Waxing/Polishing in Opaque Stones Color Symphony only sells gemstones that qualify as being natural.This includes both heated and unheated or untreated stones (with exception some blue topaz and colored diamonds may also be irradiated).  As a proud member of the American Gem Trade Association we pursue ethical business practices and disclose all gemstone enhancements or treatments to our clients.