Originally Posted By: Ghostrider
Bill the best fit in my opinion will be to buy a small piece of flat stock ( Sterling or nickel silver)from a jeweler and hand fashion an exact fit or slightly larger and then inlay the new oval.
I have had a local jeweler that specializes in custom sterling jewelry make many of these for me.

Good plan. I don't have a relationship with a jeweler at this time, but will explore forging one. Thanks.