Art Decodiamondcluster ring. Set with one central cushion shape old mine cut diamond in an open backclaw setting with an approximate weight of 1.00 carats, encircled by a single row of ten round old cutdiamonds in open back grain settings with a combined weight of 1.00 carats, further set with four cushion shape eight cut diamonds in open back grain settings with a combined weight of 0.12 carats. The total approximate diamond weight is 2.12 carats, to a square coronet cluster design featuring linear lines, an openwork gallery and open backholing, leading to raised shoulders and flowing through to a solid shank. Markedplatinum, French, circa 1930.
Art Deco diamond cluster ring, French, circa 1930.
Art Deco diamond cluster ring. Set with one central cushion shape old mine cut diamond in an open back claw setting with an approximate weight of 1.00 carats, encircled by a single row of ten round old cut diamonds in open back grain settings with a combined weight of 1.00 carats, further set with four cushion shape eight cut diamonds in open back grain settings with a combined weight of 0.12 carats. The total approximate diamond weight is 2.12 carats, to a square coronet cluster design featuring linear lines, an openwork gallery and open backholing, leading to raised shoulders and flowing through to a solid shank. Marked platinum, French, circa 1930.