Jewellery, Watches and Objects of Vertu

An 18ct aquamarine and diamond ring and three gem set rings, the aquamarine flanked by brilliant-cut and baguette-cut diamonds, the shank stamped ‘750’, together with a navette-shaped amethyst and diamond ring, a diamond and blue stone bombé ring and a white stone ring cluster ring with bifurcated stone-set shoulders, the latter three all stamped ‘585’ with Birmingham assay mark, all rings size N. £500-£600