A sapphire and diamond dress ring, by Asprey

Claw-set with a large oval mixed-cut sapphire, weighing 22.14 carats, the bevelled hoop and gallery channel-set with tapered rows of baguette-cut diamonds and highlighted with four kite-shaped diamonds, diamonds approximately 5.50 carats, signed Asprey, maker's mark and French assay marks, ring size L, cased by Asprey & Garrard - Estimate: £20,000 - 30,000

Accompanied by a certificate from the Gem Testing Laboratory of Great Britain stating that the sapphire was found to be natural with no evidence of heat treatment. Certificate number 0128591, dated 24th July 2008.

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Bonhams. Fine Jewellery, 25 Sep 2008. New Bond Street.