This fire agate was cut and polished by me as well as the ring crafted by me in Oakhurst California. All of my pieces are lost wax casted and thicker metal made to last.If you have any questions please feel free to contact me and don't forget to save my page to see more natural Opals and handmade jewelry thanks again. ARTIST SIGNED SP, 925 STERLING FIRE AGATE RING SIZE 10. This item is in the category "Jewelry & Watches\Fine Jewelry\Rings". The seller is "brahay8553" and is located in this country: US. This item can be shipped to United States.