14K pink gold amethyst cocktail ring with diamonds. This gorgeous piece features 1 natural round amethyst, measuring 11 mm in diameter on an onyx base surrounded by numerous brilliant round diamonds. The total weight of diamonds in this piece is .22 of a carat. The top of the ring measures 3/4 of an inch wide. It is a size 7. Sizing is available. It weighs 6.6 grams.