Discover heart cut lab grown diamond jewelry from Grauv Jewels. A distinctive cleft, graceful curves, and brilliant faceting create a romantic silhouette with radiant sparkle. Shop heart 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.