The Aquamarine Cocktail Ring is an18 carat white gold ring with brilliant white 0.97 carats diamonds set in a halo around the centre 25 carat aqua stone. Has an intricate design on the back of the ring.Part of theCocktail Rings collection by Olivia Grace, which features semi-precious stones such asamethyst, citrine, peridot and aquamarine, reimagining the luxury and vintage glamour of the 1920s.