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An Important Sapphire and Diamond Ring The oval-cut sapphire, weighing 6.65 carats, between triangular-cut diamond shoulders, diamonds approximately 1.20 carats total, ring size 5½ Footnotes: Accompanied by a report from SSEF stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Accompanied by an AGL report copy stating that the natural sapphire originates from Kashmir. Accompanied by a Gübelin report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Accompanied by a GIA report stating that the natural sapphire has no indications of heat treatment. 6.65克拉天然無經處理克什米爾藍寶石配鑽石戒指 鑽石共重約1.20克拉,戒指尺寸5½,附SSEF,Gübelin,GIA證書及AGL复印 Unheated Kashmir Sapphires Sapphires hailing from Kashmir display a vivid velvety blue hue that is unique to the region. They are among the most highly-prized gems due to their rarity and their scarcity; while there are still superfine sapphires to be found in Burma and Ceylon, no mining activity has taken place in Kashmir for many decades and the mine that yielded the finest specimens was largely exhausted by 1887, after only six years of production. Lot 614, a 6.65 carat unheated Kashmir sapphire is a superlative example from this legendary period of production. 無經加熱處理喀什米爾藍寶石 來自喀什米爾的藍寶石，展現出該地區獨特像天鵝絨般的藍色色調，由於其稀有性和稀缺性，它們是最珍貴的寶石之一；相對緬甸和斯里蘭卡仍有優質藍寶石出產，喀什米爾近幾十年來巳沒有採礦活動，而當時生產出最精美優質藍寶石的礦區，自1887年只開採了六年便已枯竭。拍品 614號，6.65克拉未經加熱喀什米爾藍寶石，便是該傳奇時期的優質產品。 For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing