The articulated necklace set with eight oval-cut sapphires, weighing 28.83 carats total, completed by a pavé-set brilliant-cut diamond background, diamonds approximately 37.00 carats total, signed Cartier, numbered, maker's mark, French assay mark, inner circumference 35.5cm.

Accompanied by a SSEF report stating that the natural sapphires have no indications of heat treatment and originate from Ceylon (Sri Lanka). Report number 90862, dated 8 March 2017.

Accompanied by a GRS report stating that the natural sapphires have no indications of thermal treatment and originate from Ceylon (Sri Lanka). Report number GRS2008-062339, dated 23 June 2008. 

Bonhams. RARE JEWELS & JADEITE, 26 Nov 2017, 14:00 HKT - HONG KONG, ADMIRALTY