This gorgeous necklace is stunning in its simplicity. A luminous round 1/2-carat lab-grown diamond is independently certified and radiates from the iconic 14k white gold setting. Crafted in 14k white gold the lab-grown diamonds are independently certified. Total diamond weight is 1/2 ct tw 19 inch cable chain lobster clasp the independently certified center lab-grown diamond is laser-inscribed with a unique gemscribe® serial number to ensure your peace of mind. From the kay lab-grown diamonds collection.