Vintage Chalcedony HUGE 2 Finger Eclectic Ethnic Inlaid Ring

This ring is just insane & breathtaking! The center stone is chalcedony AKA blue onyx. It's about the size of a dime. Inlaid is deep red & deep green enamel as well as turquoise enamel. This seems to be a combo of metals to make up the rest. Etched metal designs & the back also has some inlaid detail. This is it 2 finger ring. The entire medallion is about the size of a Chips Ahoy cookie. There's some patina and wear. This looks handmade and has some imperfections. I think this is Nepalis 🤔