Set with an octagonal step-cut sapphire weighing 12.43 carats, within fancy-cut diamond shoulders, to the plain hoop, mounted in 18K white gold,
ring size 6
Accompanied by a report from the SSEF Swiss Gemmological Institute, stating that the 12.43 carat natural sapphire is blue of medium strong saturation color, originates from Kashmir and has no indications of heating, report no. 128601 dated 18th April 2023
Accompanied by a report from the Gübelin Gem Lab, stating that the 12.43 carat natural sapphire is blue color, originates from Kashmir and has no indications of heating, report no. 23030245, dated 5th April 2023
also accompanied by a Gübelin Gemstone Rating as 88.70 points excellent reference to the 12.43 carat sapphire
Accompanied by a report from GemResearchSwissLab, stating that the 12.43 carats natural sapphire is blue (GRS-type “intense cornflower”) color, originates from Kashmir (India) and has no indication of thermal treatment, report no. GRS2023-037227 and award no. 4265 dated 27th March 2023
Award no. 4265
This magnificent sapphire 12.43ct is distinguished by a very rare combination of large size, a fine velvety blue color variety (GRS-type “intense cornflower”), very good brilliance and transparency, and a large face-up appearance.
Analytical and advanced testing trace the origin of this gemstone to the prestigious and legendary mines of Kashmir (India). At the time of testing, it was concluded that the gemstone was spared of thermal enhancement.
The combination of very good attributes this sapphire displays was concluded to be magnificent. The blue color radiates harmoniously in tone and color saturation.
12.43克拉長八角形喀什米爾天然藍寶石戒指，鑲18K白金，戒指尺寸6，附 SSEF、Gübelin及88.70 積分突出評級報告、GRS授予報告及證書
US$ 775,000 – 900,000
