AN IMPORTANT SAPPHIRE AND DIAMOND NECKLACE, BY CARTIER

AN IMPORTANT SAPPHIRE AND DIAMOND NECKLACE, BY CARTIER
Suspending a cushion-cut sapphire, weighing approximately 58.00 carats, joined to a cushion-cut sapphire, weighing approximately 28.51 carats, by a modified square-cut diamond, weighing approximately 4.13 carats, to the two-row circular-cut diamond-set navette-shaped link neckchain, accented by square-cut diamonds, 14 ins., with French assay marks for platinum and 18k white gold, in a Cartier red case
Signed Cartier, no. 770836
Accompanied by report no. 1090790 dated 12 March 2018 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire, weighing approximately 58.00 carats, would be classified as Ceylon (Sri Lanka), with no gemological evidence of heat

With report no. 1090789 dated 12 March 2018 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire, weighing approximately 28.51 carats, would be classified as Ceylon (Sri Lanka), with no gemological evidence of heat