This awesome circa 1920s Art Deco dinner ring is centered with a rectangular onyx tablet in a four-prong setting. The center of the onyx is bezel set with one (1) old mine cut diamond, weighing 0.87 carats. The shoulders are each bead set with ten (10) antique cut diamonds. The ring measures 15.6mm at the top, rises 9.9mm above the finger, tapering to 1.7mm wide and 1.0mm thick at the base of the shank. It is currently a size 7.75.