A beautiful marquise-cut green peridot gemstone is set in crisp polished 14 karat white gold and supported by by sparkling lab-grown diamonds. Green peridot is the featured birthstone of August. This unique and special ring has beautiful , simple and elegant ring. 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.