Retro Ring Attributed to Arnold Ostertag (1883 – 1940)
Circa 1930s
Platinum and 18-carat yellow gold (750/1000)
Central diamond: approximately 3.80 ct, estimated J/VS, surrounded by quatrefoil motifs fully pavé-set with diamonds
Ribbed ring shank
Ring size: 49 (EU)
Weight: 29 grams
