Synthetic ruby and diamond buckle ring, circa 1940. A yellow gold and platinum ring, the bezel composed of a functioning buckle set with seventeen round eight cut diamonds in platinum topped gold bead settings with an approximate total weight of 0.30 carats, the band of the buckle also set with three baguette cut synthetic rubies in a platinum topped gold channel setting with an approximate total weight of 0.30 carats, the shank composed of a flexible gold mesh of various repeating geometric forms, adjustable to five sizes, with safety clasp.