Fine Jewels
拍品 1392:
Set with an oval-cut sapphire weighing 6.87 carats, flanked by oval-cut diamonds weighing 1.00 carat and 0.89 carat respectively, mounted in platinum, ring size 5¾
Accompanied by a report from the GemRearch Swisslab, stating that the 6.87 carat natural sapphire is vivid blue color (GRS type "royal blue"), originates from Sri Lanka and enhanced by heat with no residues present, report no. GRS2012-070672T, dated 17th August 2012
Accompanied by two reports from the Gemological Institute of America, stating that the 1.00 carat and 0.89 carat diamonds are E color and SI1 clarity, report nos. 5131915610 and 1136732194, dated 4th October 2011 and 29th August 2011
6.87克拉橢圓形斯里蘭卡「皇室藍」藍寶石戒指，傍以兩枚橢圓形1.00克拉及0.89克拉E/SI1鑽石，鑲鉑金，戒指尺寸5¾，附 GRS及GIA 證書
