We repair a LOT of cabochons. Cabochons get scratched, chipped, or broken.
Cabochons are repaired by re-shaping them. Maybe someday there will be a technology to add new stone and fill in the chips but until then, re-shaping is the only way.
This page is mainly devoted to cabs which we re-shape to repair.
We also have a page with examples of cabs we have re-polished, and another with cabs we have cut a new cab to match the broken cab.