Elegant and versatile, these 14 karat white gold button halo stud earrings hold 5mm natural cushion opals in a 4-prong setting. An affordable way to add romance and intrigue to any occasion, this pair will ensure you're never without the perfect finishing touch. Each Ocrober birthstone is surrounded by gleaming lab-grown diamonds 1/3 carat (ctw). 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.