Mens Black Onyx Aston 925 Sterling Silver CZ Ring Sizes 8 To 13 Natural Black Onyx, 15x12mm Rectangle Shape 14 pieces Machine Cut Sparkling Cubic Zirconia Accent Ring is in 925 Sterling Silver and weighs 12 Grams Perfect Gift for Fathers Day, Graduation, Birthdays, Weddings, Anniversary Includes Gift Box & 30 Day Return Policy