I would take this one to a jeweler. In case it is something good, be careful showing it off. I don't know, but...could be really good, the odds are against it, but...
I would take this one to a jeweler. In case it is something good, be careful showing it off. I don't know, but...could be really good, the odds are against it, but...
Definately take it to a jeweler. Looks like it might be diamond. If so, it is very old, as it has an overall rounded shape instead of the pyramidal shape it should have.