Enchanted Fairy Princess Sterling Silver Faery and Genuine Amethyst Celtic Knot Ring(Sizes 4,5,6,7,8,9,10) 5/8" Wide Across the Center 2mm Round Genuine Amethyst Stone Weight is About 6.1 Grams (varies slightly with ring size) Nickel Free Sterling Silver (Marked 925) Very Solid and Sturdy