Material - Sterling Silver Metal Purity - 92.5% Gemstone –Lab Black Opal And Natural Blue SapphireShape –Oval, Round Cut- Cab And FacetedThis Valuable Ring Will Be Indispensable Part Of Your Special Days. You Will Love Our Minimalist, Well-Designed, One Of A Kind Product! It Can Be Used Both On Special Occasion And Daily.It Is The Elegant Choice For Anniversary Gift, Engagement, Birthday Gift.We Have Designed This Valuable Product For Being Your First Gift Choice. The Ring Made By Completely (Solid Sterling Silver And High-Quality Black Opal And Blue Sapphire) Please, If You Have Any Suggestions Or Questions Contact Us. We Can Make All Ring Size For You Also The Band Color Is OptionalThanks For Visiting On Our Shop.