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Diamond coronet cluster ring. Set with a central round old cut diamond in a raised eight claw open back setting with a weight of 1.05 carats, encircled by a single row of six round old cut diamonds in raised four claw settings with a combined weight of 1.25 carats. The total approximate diamond weight is 2.30 carats, all set to an encircling outer floral form, supported by a six pronged open gallery and split shoulders to a ribbed square shank. Marked 18 carat white gold with platinum, French hallmarks, circa 1940.