An 18k gold diamond and opal cabochon cocktail ring.

An 18k gold diamond and opal cabochon cocktail ring. Flared floral openwork ring set with 47 brilliant-cut diamonds (total approx. 1.2 ct, I/J, VS), 12 marquise-cut diamonds (total approx. 1.56 ct, I/J, VS) and 25 8/8-cut diamonds. The bezel features an oval opal cabochon (approx. 12.2 x 12.5 x 4.4 cm, with green-blue-yellow play of colour) in a yellow gold prong setting. Hallmarks: Fineness 750, "Kern". Ring size 46. Weight 14.8 g. René Kern, Düsseldorf, 1970s.

Estimation:€1,500

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