A single lab-grown diamond center (5.0mm) 1/2 Carat (ctw H-I, SI1-SI2) is set in a striking gleaming 14 karat white gold foundation and surrounded by 8 additional beautiful round sparkling diamonds in a halo formation while dangling from the included 18 inch gold chain. 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.