FANCY COLOURED DIAMOND RING

Description

FANCY COLOURED DIAMOND RING
The cushion-cut Fancy Deep Brownish Greenish Yellow diamond, weighing 20.73 carats, mounted in platinum and 18 carat yellow gold, maker's mark CG&S, UK hallmark, ring size R
Footnotes:
Accompanied by a report from GIA stating that the diamond is natural Fancy Deep Brownish Greenish Yellow colour, SI1 clarity. Report number 6233867249, dated 5th February 2026.

Accompanied by a report from GIA stating that the diamond is natural Fancy Deep Brownish Greenish Yellow colour. Report number 2135668928, dated 22nd July 2011.
For further information on this lot please visit Bonhams.com

Condition

In overall good condition. Outer band with very light surface wear. Inside band with maker's mark CG&S and Birmingham hallmark for platinum and 18 carat yellow gold. Gross weight approximately 40.0 grams.

Buyer's Premium

32%

FANCY COLOURED DIAMOND RING

Lot 0042

Estimate £60,000-£90,000Jun 11, 2026, 6:00 AM EDT

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Exceptional Jewels, London

Jun 11, 2026 6:00 AM EDT

London, GB, UK

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