A beautiful three-stone lab-grown diamond ring has 0.900 carats (ctw SI1-SI2, G-H-I) of 17 sparkling stones all set into a gleaming 14 karat white gold foundation. 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 the origin.