Large Premium Certified Blue Sapphire (H)* Diamond Platinum Ring 5.40 ctw


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Kanchanaburi, Thailand sapphires were some the world’s highest quality.  Unfortunately the mines are no longer in production and this is my last large sapphire from those mines.  Known for their excellent deep blue color that is rich in saturation with a strong primary blue color and purple secondary hue these gemstones are spectacularly beautiful.  This large 4.66 ct round brilliant faceted sapphire measures a large 8.81 X 8.9 X 6.63 mm and is six prong center set.  The stone has precision brilliant cutting, eye-clean clarity, phenomenal rich blue color and bold bright brilliance as evident in the photos. This traditional styled ring features a three stone design with a pair of large 4.6 mm round brilliant cut diamonds prong set on either side of the sapphire.  The diamonds are three prong set for beautiful symmetry, 0.74 ctw, have SI2 clarity and unbelievable bright white color with a grade of E (one the highest color grades). The ring is a size 61/4 (please indicate your size request on the order form) and weighs approximately 6.0 grams of platinum.  This is a high end stunning piece built to be worn everyday!

  •         AGTA Gemstone Enhancement Codes N = Not 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  SC = Special Care ASBL = Assembled CMP – Composite
  • 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.


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