So my fiance bought my ring at least 3 weeks ago maybe more. He still has not received the certificate from the jeweler. It is my understanding that the certificate is something that you should get the day you walk out the store with the ring. She told him that she didn''t have it on her and would mail it to him but he has yet to receive it. He is calling her again today to ask where it is. But frankly this is making me a little nervous. Am I wrong for feeling this way?