Tank" type ring in yellow gold (750) and platinum (850) set with a half-cut diamond in gem-set on a square bezel, underlined by two baguette-cut diamonds in rail-set and a convex paving of brilliant-cut diamonds in gem-set, between two lines of synthetic calibrated rubies in rail-set. Circa 1940. Gross weight: 8.3 g. - Finger size: 47. Small scratches, small scratches of use.