How To Keep A Ring That Is Too Big On. Helps fix rings temporarily that are too large 2. How to fix a loose ring with tape and clear fingernail polish:

If it's still too big, add another layer of resizing gel, then wait for it to dry and try it on again. Keep it in a safety deposit box, as a last resort. Typically, professionals can alter rings by a maximum of two sizes, which means they can make the ring two sizes larger or two sizes smaller.