A new dainty ring style has finally arrived! Prices vary according to stone and metal. Silver ring set with an Australian boulder opal. Size U Rings will ship in 1-2 business days. Ring Size: Please refer to the size guide at the bottom of our website. If you're unsure of your size, we recommend visiting a local jewelry store for a professional measurement. Care Instructions: To keep your jewelry looking its best, avoid exposure to chlorine or chemicals. Stay away from damp environments and store your pieces in an airtight box or pouch when not in use.