Follow How do I buy a ring online if I don't know my size? June 03, 2015 16:21 The Irish Jewelry Company General FAQ!!! Follow this link for a Ring Sizer pdf. Print out the pdf file and follow the instructions. ( http://www.theirishjewelrycompany.com/images/InitialSet/Ring%20Sizer.pdf ) 0 Comments Please sign in to leave a comment.