The Moritz Amethyst and White Diamond Cocktail Ring is a large 18 carat rose gold ring, featuring 14.11ct of amethyst and 0.47ct of white diamonds.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.