Another idea:<P>If you have a bit of experience with fiberglass molding, that is. Make a cast of the original bezel, make your mods to the casting, and layup a new fiberglass bezel using this casting.
In this one-day workshop you will make a silver ring band out of wire or sheet metal, create a bezel, and set a cabochon stone. The bezel will be soldered to the ring, the cabochon will be set, and ...