This magnificent halo engagement ring showcases a sustainable lab grown solitaire in a luxurious oval cut. Oval diamonds have a unique shape that lengthens the fingers and gives your hand an elegant look. The highly polished 18K gold band holds the setting securely and is also studded with diamonds for extra brilliance. *The sustainable luxury choice. Lab-grown diamonds are chemically and optically identical in brilliance and beauty to a natural mined diamond.