Auction Catalogue
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A tanzanite, diamond and ruby dress ring, the cushion-shaped tanzanite in four claw setting, bordered by marquise-cut diamonds, with ruby highlights, between brilliant-cut diamond set shoulders, white precious metal mounted, the shank stamped ‘750’, accompanied by a GIA Gemmological Report, ring size Q. £2400-3400
The Gemological Institute of America Report no. 2181157112, dated 8th February 2017, confirms the weight (unmounted) of the tanzanite as 10.49 carats, measurements 13.50mm x 11.49mm x 8.15mm, colour: Violetish Blue, treatment: heated.
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