An opal, emerald, ruby, sapphire and diamond cluster ring

Centrally set with a cabochon opal surrounded by emeralds, rubies and sapphires within a further border of brilliant-cut diamonds, ring size O. Estimate: £1,000 - 1,500

Bonhams. Jewellery, 14 Jan 2009. Knightsbridge. Copyright © 2002-2009 Bonhams 1793 Ltd., Images and Text All Rights Reserved. www.bonhams.com