£3,000 - £5,000
A colour-change sapphire and diamond ring, the rectangular cushion mixed cut sapphire weighing 4.20 carats (10.3mm x 8.1mm x 5.4mm), claw set to stepped shoulders set with brilliant cut diamonds, all set in white metal to a plain polished shank, stamped '950', maker's mark 'JC' Sheffield, ring size N 1/2, weight 4.7gms
With accompanying report from The Gem & Pearl Laboratory, report no. 22699, stating that the carat weight is 4.20 carats, that the stone is a natural sapphire, shows no evidence of heat treatment, and the origin opinion is Sri Lanka.
Feather inclusions can be seen in the central table under 10x, including a flat reflective inclusion to the centre of the feather burst. Crystal inclusions are visible in the central table under 10x also. All inclusions are visible but less apparent with the naked eye. No obvious windowing. No obvious colour zoning. See images.
Fees apply to the hammer price:
Free Registration
30% inc VAT*
Flat Fee Registration
26.40% inc VAT*
