To find your ring size, please use a string circumference measurement and compare to the Ring Size Guide below, or you can measure the inside diameter the Ring and compare to Chart below. To ensure the most accurate measurement of your ring size, we would recommend using the inside diameter measurement. Please take physical measurement of the inside diameter of a ring that you have. Do not hesitate to call us or email us for any assistance you may require in determining your ring size. It is important that you know your finger size so your ring fits you comfortably.