1/2 Carat T.W. Blue and White Diamond Sterling Silver Marquise Ring: * 4 round blue diamonds in center * 84 round white diamonds * 1/2 ct. t.w. * Prong-set stones * Sterling silver * Diamond color: fancy blue and G-H * Diamond clarity: I2-I3 * Band width: 25mm * Available in sizes 5-9 Every piece of Walmart jewelry passes rigorous inspection at our Quality Assurance labs. So you can buy with confidence — guaranteed. Learn More Learn about diamonds, including the 4 C"s — Color, Cut, Clarity and Carat Weight.