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COLOUR CHANGE SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1930 image 1
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Lot 68Ω

COLOUR CHANGE SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1930

2 December 2021, 11:00 GMT
London, New Bond Street

£24,000 - £30,000

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COLOUR CHANGE SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1930

The large cushion-shaped colour change sapphire, weighing 26.32 carats, between millegrain-set single-cut diamond shoulders and a pierced gallery of old brilliant and single-cut diamond trefoil motifs, with a bevelled hoop, numbered 427, ring size J½

Footnotes

Accompanied by a report from The Gem and Pearl Laboratory stating that the colour change sapphire is of natural Sri Lankan origin with no evidence of heat treatment, appearing blue in daylight and purple in incandescent light. Report number 2040, dated 3rd September 2021.

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