Domed ring in platinum and 14K (585) gold, set with a round old-cut diamond backed by calibrated rubies, the repercée setting set with round 8/8 and old-cut diamonds. Circa 1925. Finger size: 51. Diamond size: approx. 8x4.8 mm. Gross weight: 4.5g (bumps, missing) A 1925 diamonds and rubies ring