The best of both worlds, our colorless lab-grown diamonds allow you to maximize your budget while getting a big, bold look. This endearing necklace features radiant round-cut lab-grown diamonds embellishing the open heart silhouette. Crafted in 14k white gold the lab-grown diamonds are independently certified. Total diamond weight is 1-1/2 ct tw 18 inch cable chain lobster clasp from the kay lab-grown diamonds collection.