AN IMPRESSIVE SAPPHIRE AND DIAMOND RING
AN IMPRESSIVE SAPPHIRE AND DIAMOND RING

细节
AN IMPRESSIVE SAPPHIRE AND DIAMOND RING
Set with a cushion-cut sapphire, weighing approximately 40.66 carats, the prongs, gallery and shoulders set with circular-cut diamonds, mounted in platinum
With report 1008507 dated 24 August 2010 from Gübelin Gem Lab stating that gemmological testing revealed characteristics consistent with those of sapphires originating from Burma (Myanmar). No indications of heating

With report CS 42482 dated 28 June 2010 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire would be classified as Burma (Myanmar). Heat Enhancement: None. Accompanied by an additional letter from AGL attesting to the rarity and desirability of this sapphire

With report 1106766580 dated 22 June 2010 from the Gemological Institute of America stating that it is an expert opinion that the geographic origin of this sapphire is Burma (Myanmar). No indications of heating