3 février 2014
A fire opal and diamond ring, circa 1905
A fire opal and diamond ring, circa 1905. Photo: Bonhams. The large step-cut fire opal, within single and rose-cut diamond-set lotus flower claws, ring size Q. Estimate £800 - 1,200 (€970 - 1,500) Bonhams. JEWELLERY. 12 Feb 2014, London, Knightsbridge...