Keepsake Azura 3/8 Carat T.W. Blue and White Princess Diamond Sterling Silver Engagement Ring: * 3/8 ct. t.w. * Blue and white diamond princess cluster shape * Crafted in sterling silver * Available in sizes 5-8 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.