A retro aquamarine and diamond dress ring, 18ct yellow gold, circa 1940's, handcrafted as a striking large dress piece of architectural industrial design, featuring a central emerald cut aquamarine of pale ice blue colour, weighing approximately 7.00ct, claw set to each corner, flanked to each horizontal length with four bezel set transition and old cut diamonds, totalling approximately 0.50ct, set in an unusual angled setting, edged by stepped gold work, merging to an overlaid split shoulder tapering to reverse