10kt White Gold 1-1/2 Carat Round Cut Black Diamond Solitaire Stud Earrings, (5mm): * 1-1/2 Carat Round Cut Black Diamond * 10kt white gold setting * Stud earrings * 5mm 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.