Stunning 14K Yellow Gold Huge Green Amethyst Diamond Cocktail Ring Band. This beautiful piece features one huge green amethyst totaling 6.65 carats surrounded by numerous champagne and brilliant round diamonds. The total weight of the diamonds is 0.45 carats. All gemstones are natural. The top of the ring measures 5/8 of an inch wide. It is a size 7.25 Sizing is available. It weighs 4.5 grams.