Cocktail ring with enamel and 24 octagonal diamonds

Cocktail ring with enamel and 24 single-cut diamonds totalling approx. 0.32 ct, RW-WHITE (F-H)/VS-SI, green and blue transparent enamel on a structured background, small chip on the blue enamel, 18K yellow gold/white gold, 16 g, ring size: 49, W: approx. 5.3 - 19.3 mm, around 1950/60, good condition for its age, very beautiful and exceptional handcrafted work.