Our 14K Gold St. Christopher ring is a made-to-order item; the top portion measures about 15mm (the size of a dime). Please be sure you know your ring size before ordering. If you need assistance with sizing please stop by one of our Milwaukee stores. Not sure what size finger you are? Try downloading this ring sizer to give you an idea. *Please note, this is only an estimate. For best results, coming into the store and having one of our associates get the size is best. Please also remember to allow 7-10 business days for delivery. If this item is for Christmas, please place order before December 16.