Glorify your neck with this iridescent diamond necklace. Encased in warm 18K gold, the fiery tones of the lab grown diamond centre stone will utterly captivate your heart. Created using a fusion of art and technology, this lab grown diamond is a sustainable choice, guaranteed to become an heirloom to span many generations. *The sustainable luxury choice. Lab-grown diamonds are chemically and optically identical in brilliance and beauty to a natural mined diamond.