We offer a very accurate ring sizer on our website. If you don’t know where it is located we will submit it to you via e-mail. The sizer also works as an international converter, so you will be able to find the size you need. Our ring sizer matches the sizes we make. If it cannot provide your correct size, we will attempt to help you in any way we can. https://www.allurez.com/Find_Your_Ring_Size.pdf