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Oscar Heyman for Hancocks

A magnificent 9.19ct old European brilliant cut diamond ring with invisibly set sapphire surround

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Please use this enquiry form to ask any questions about this piece and we will be in touch with you shortly. If you prefer to contact us by telephone please call us on 0044 (0) 207 4938904. Please note we guarantee that all of our jewels, silver objects d’art are authentic and of execptional quality.



A magnificent diamond and sapphire dress ring by Oscar Heyman exclusively for Hancocks, the ring centred on an old European round brilliant cut diamond weighing 9.19cts set within a bombé surround of invisibly set calibré-cut sapphires, all in platinum to a tapering band.
  • OriginNew York
  • Gemstones and Other Materials9.19ct Q-R SI1 old European brilliant cut diamond with GIA certificate (5191960895). 60 x step cut sapphires weighing a combined total of 15.61cts
  • Condition ReportNew
  • SettingPlatinum with maker's mark, numbered 303048 and engraved 'OHB for Hancocks'.
  • Weight description18.7 grams
  • DimensionsUK finger size M

Heyman Bros, Oscar

“We want to sell jewellery the grandchildren fight over to keep, not pieces that heirs fight over to sell.”  This sentiment, expressed by Tom Heyman, echoes the very ethos that his grandfather and great uncles built their business on in the early 20th Century.  

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