1/2 Carat T.W. Black Diamond Sterling Silver Solitaire Pendant and Earrings Set, 18": * Crafted in sterling silver * 1/2 ct. t.w. * Fancy black diamond color * Prong-set stones * Round-cut diamonds 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.