Lot 709 D α

A German 18k white gold sapphire diamond and black opal cluster ring.

Floral bezel set with a black opal cabochon of c. 5.15 ct (c. 10.54 x 9.56 x 7.84 mm) surrounded by 15 brilliant-cut diamonds (in total c. 1.08 ct, H/I, vs) and six small sapphires (in total 0.25 ct). Hallmarks: Fineness 750, "KERN", maker's mark, numbered 134 2. The opal with hairline shrinkage cracks. Bezel diameter 1.8 cm. Ring size 49. Weight 8.41 g.
René Kern, Düsseldorf 1970s.