When you present your loved one with this magnificent Anastasia engagement ring, she is sure to go weak at the knees. The exquisite 1.50-carat lab grown diamond solitaire in the centre weighs 1.50 carats and is encircled by not one, but two sparkling halos made up of smaller diamonds. In heirloom 18K white gold, it looks and feels truly luxurious on the finger. 1.50ct 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.