Gemstone Details: 9*7mm Natural Opal,4*3 mm Natural Tourmaline,2.5 mm Created White Sapphire.Total Carat Weight is 3.5 cttw. Ring weight 5.49 grams, size available in 6 7 8 9 10 Material : 925 Sterling Silver ring band with S925 Stamped inside of the band, hypoallergenic, lead free, nickel free. Married Couple Ring : double flower in the top means forever together and in love. Ring comes packed in a exquisite brand box, suitable for anniversary, promise, wedding, mothers day, valentines day, christmas and thanksgiving present for mother, lover wife, grandma. Gemstone Flower ring, gemstone leaf ring, cocktail rings with natural stones, sterling silver band sapphire/amethyst/opal ring for birthday, cocktail party,engagement, promise or anniversary.