Large Raw Opal Locket Ring in Black Metal with Glass Top Natural genuine Ethiopian Welo opal pieces. The ring is large and heavy. The circle is approximately 22mm x 6mm. It has a base size of 8. The back is open to allow flexibility in sizing. The top can be unscrewed and opened. The contents and be changed or you can add your own keepsakes. If you want to keep the opals inside permanently, I recommend glueing it closed. Be careful it does not accidentally open. The metal frame and band may have some small scratches and imperfections. Message me with any questions. Thank you!