A SAPPHIRE AND DIAMOND DRESS RING, BY M GÉRARD, CIRCA 1980


Of bombé design, pavé-set with brilliant-cut diamonds and a quiff of antique cushion-shaped sapphires, weighing 2.98 and 1.39 carats, highlighted by baguette-cut diamonds, diamonds approximately 5.55 carats total, signed Gérard, maker's mark, French assay mark, ring size 4¼ with ring guard
|Accompanied by two SSEF reports stating that the 2.98 carat sapphire has no indications of heat treatment and originates from Burma (Myanmar), and the 1.39 carat sapphire has no indications of heat treatment and originates from Ceylon (Sri Lanka). Report numbers 83347 and 87059, dated 16 December 2015 and 29 July 2016.Accompanied by a Gubelin report stating that the 1.39 carat sapphire has no indications of heat treatment and originates from Burma (Myanmar). Report number 15040307, dated 4 May 2015.2.98天然無經加熱處理緬甸藍寶石及1.39克拉天然無經加熱處理藍寶石配鑽石戒指,M. Gérard,約1980年代鑽石共重約5.55克拉,戒指尺寸4¼,2.98克拉藍寶石附SSEF證書,1.39克拉藍寶石附SSEF證書,說明藍寶石產地為斯里蘭卡,以及附Gubelin證書,說明藍寶石產地為緬甸