Yes we do depending on the style and setting, all ring re-sizing requests are actioned through our stores only, please visit our friendly staff in store and they will help determine what size and what the costs will be. All of our rings are ordered in a size "O" for ladies; "W" for men; "G" for kids unless stated otherwise on our website. Please click here for our ring size chart, this can be used as a guide only, always visit one of our friendly staff in store for a more accurate fitting. If a ring does not indicate a size please email customer.service@anguscoote.com.au