RARE ROYAL LAVENDER OPAL: Royal lavender opal inlay the center of the ring, great makes the ring brilliant and beautiful. NATURAL ABALONE SHELL: Choose Abalone Shells that have clear texture and shiny finish. inlaid on the side of the finish made this ring unique and special. Natural attribute makes everyone different. MATERIALS: Genuine tungsten carbide features the second hardness in the world, it makes the ring durable and solid. It provides excellent shine after being polished. No cobalt and nickel makes it hypoallergenic. Remarkably-fit ring size, Great cost-performance, Superb craftsmanship, Highly skilled jewelry craftsmans. Our rings are made with a standard US ring size.Please check your ring style and ring size before proceeding . If you are unsure of your ring size, it is recommended that you have your finger sized by jeweler.