拍品 1943
1943
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS
3 更多
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS

成交价 港元 5,920,000
估价
港元 4,200,000 – 港元 6,000,000
估价不包括买家酬金。成交总额为下锤价加以买家酬金及扣除可适用之费用。
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A PINK SAPPHIRE AND DIAMOND RING, BY FORMS

成交价 港元 5,920,000
成交价 港元 5,920,000
細明拍品专文更多来自
细节
A PINK SAPPHIRE AND DIAMOND RING, BY FORMS
Set with a cushion-shaped pink sapphire weighing approximately 19.47 carats, joined to the openwork bombé gallery set with sixteen cushion-shaped diamonds weighing approximately 0.78 to 0.70 carat, to the brilliant-cut diamond three quarter-hoop, mounted in 18k white gold, ring size 5¾, in brown leather Forms case
With maker's mark for Forms


Accompanied by report no. 73249 dated 12 March 2014 from the SSEF Swiss Gemmological Institute stating that the 19.47 carat pink sapphire is of Burma (Myanmar) origin, with no indications of heating; also accompanied by an appendix stating that the natural pink sapphire possesses characteristics which merit special mention and appreciation. The pink sapphire shows a remarkable size, combined with an attractive pink colour and a fine purity. The small inclusions found by microscopic examination and the analysed properties are consistent with those found in pink sapphires from the classical mines in Burma (Myanmar). Its attractive pink colour is due to a combination of well-balanced trace elements in the gemstone, typical and characteristic for the finest pink sapphires from Burma. The pink sapphire has been spared exposure to heat treatment and its clarity and colour are thus all natural. A natural pink sapphire from Burma of this size and quality is rare

Also accompanied by report no. CS 63880 dated 3 October 2014 from the American Gemological Laboratories stating that based on available gemological information, it is the opinion of the laboratory that the pink sapphire weighing 19.47 carat is natural, the origin of this material would be classified as Classic Burma (Myanmar), heat enhancement: none, clarity enhancement: none; also accompanied by a letter stating that the pink sapphire exhibits a vividly intense pink colour that is complemented by a fine cut resulting in numerous bright, internal colour reflections and brilliance. Augmenting the importance of this outstanding Burmese gem is the fact that it does not exhibit any gemological evidence of heating. This beautiful and exceptionally rare gem is the finest Classic Burma pink sapphire of this size, to have been examined by American Gemological Laboratories to date

Also accompanied by report no. GRS2011-090615T dated 1 October 2011 from the Gem Research Swiss Lab stating that the 19.47 carat pink sapphire is of Burma (Myanmar) origin, with no indication of thermal treatment

Accompanied by sixteen reports dated from 31 July 2013 to 17 March 2014 from the Gemological Institute of America stating that the cushion- shaped diamonds weighing from 0.78 to 0.70 carat are D to F colour, VVS1 to VS2 clarity

拍品专文

US$530,000-750,000

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