This sumptuous, ethical lab grown solitaire ring will make her feel very luxurious and special on the day of your proposal. Beautifully handcrafted, it showcases a stunning total of 2.50CT diamonds, and the setting is made of heirloom quality platinum that looks elegant on the hand. 2.00ct 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.