At Whitehouse Brothers we offer one free resizing within 45 days of purchase to make sure your ring fits just right. Simply contact us regarding your order and we will help to arrange the sizing of your rings! Typical turnaround time is around 7-10 business days. Please note: Eternity rings cannot be resized after purchase, please verify size before purchase to prevent issues with fitment. We are happy to provide complementary ring sizers with all home try-on kits, or you can contact us to have one sent directly to you! If you have any questions, please do not hesitate to email us or call at 800.543.1070.