Crisp 14 karat white gold is endowed with a 6mm cushion-cut natural amethyst in this simple and elegant gemstone ring featuring the birthstone of February. Sixteen stunning lab-grown diamonds 1/4 carat (ctw) complete the look. Lab-grown diamonds are man-made diamonds that are chemically, physically, and optically identical to diamonds originating from nature. Both have the same chemical composition and atomic structure, producing the very same durability, fire, and sparkle, the only difference is origin.