Aquamarine and diamond demi-parure and a ring

Comprising: a demi-parure consisting of a pendant set with a pear-shaped aquamarine enhanced with brilliant-cut diamonds; a pair of pendent earrings of similar design; each with Italian maker's and assay marks for gold; and a ring set with a step-cut aquamarine, the shoulders enhanced marquise-shaped and brilliant-cut diamonds, size 57.