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An Unheated Color-Change Sapphire and Diamond Ring
Set to the center with an oval-cut color-change sapphire, weighing approximately 6.44 carats, framed on either side by trapeze-cut diamond shoulders, mounted in platinum, size 6.
With report no.5151285062 dated 21 March 2013 from the Gemological Institute of America, stating that the color-change sapphire weighing 6.44 carats is of Sri Lankan origin, with no indications of heating