A Rare Sapphire and Diamond Ring, Circa 1980


The cushion-shaped sapphire, weighing 12.92 carats, within a marquise, baguette and brilliant-cut diamond surround, diamonds approximately 3.50 carats total, maker's mark, ring size 8
|Accompanied by a SSEF report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Report number 98761, dated 15 March 2018.Accompanied by a Gubelin report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Report number 18030099, dated 21 March 2018.Also accompanied by a Gubelin information sheet stating that gem quality Kashmir sapphires are rare.12.92克拉天然無經加熱處理喀什米爾藍寶石配鑽石戒指,約1980年代鑽石共重約3.50克拉,戒指尺寸8,附SSEF,Gubelin證書及附件