I bought a suspension ring and got engaged about a month ago. The size that my fiance originally chose was too big. So we took it to the jewler and asked to size it from a size 6 to a size 5. When we picked it up, the ring was sized at under a 4 and in the shape of an egg. We were not pleased and told them to fix it. We got it back and the size and shape were right. But after just 10 days of getting it back, the diamond has come really loose. I have heard that these types of rings have to be very specially designed and i am worried that the jeweler is not competent and that he possible could have ruined the ring sizing it. SHould he be able to fix it so that the diamond will not come loose again or do we need to start with a whole new band?