Heart To Heart 1/5 Carat T.W. Diamond Sterling Silver Ring: * 1/5 ct. t.w. * White diamonds * Sterling silver * 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.