The August Birthstone is Peridot. Peridot’s lime green color is eye-catching and vibrant. Peridot gemstone has a history of being used for healing and represents green living. In today’s world, it is believed to bring a peaceful and calm energy to its wearers. View our collection of CZ peridot rings, earrings, pendants, and other CZ peridot jewelry and add to your jewelry collection for your August-born shoppers.