Geometrical ring in 850°/°° platinum, the octagonal top set with half-cut and 8/8-cut diamonds and surmounted by a larger cushion-cut diamond measuring approximately 1.5 ct (measures: 7.45-6.45 x 4 mm approx.). French work, Art Deco period, circa 1925. Finger size: 51. Gross weight: 4.6 g. Scratches, missing lower roundel. Ring deformed.