Discover cushion cut lab grown diamond jewelry from Grauv Jewels. Softly rounded corners and broad facets create a romantic silhouette with rich, luminous sparkle. Shop cushion cut lab grown diamond engagement rings, wedding bands, earrings, stud earrings, necklaces, pendants, bracelets, and fine jewelry in solitaire, halo, side-stone, pavé, classic, and modern styles.