This is a ring sure to win her heart. Cushion cut diamonds are renowned for their exquisite inner fire and this stunning ring boasts a G/VS1 grade lab grown diamond solitaire certified by one of the world's most respected diamond grading authorities, IGI. The luxurious platinum band looks and feels substantial on the hand. 1.00ct IGI Certified Centre Stone - Excellent Cut-Polish-Symmetry. *The sustainable luxury choice. Lab-grown diamonds are chemically and optically identical in brilliance and beauty to a natural mined diamond.