Ancients 17 is a lapidary artists that works only with the best quality opals. When I saw the matte finish on this one I knew I had to work with it. This thick bezeled recycled 14k charm's opal has a lot of neon blue and green flash with neon orange undertones. About this charm: -Recycled 14k yellow gold, includes sturdy earring back -This stud has an engraved detail around the stone. -Matte Australian opal cabochon from ethically sourced Ancients17. -Measure 7.8mm W x 8.4mm L -Semi-shiny finish. Each piece of jewelry from Corkie Bolton Jewelry is handmade by me in my home studio in Rhode Island. I set every stone personally, using the finest gemstones and precious metals. Please read my policies prior to purchase. Ready to ship.Corkie Bolton Jewelry comes packaged in a gorgeous box that is perfect for gift giving!Please follow me on Instagram to stay up to date with current pieces & releases! @corkieboltonjewelry and join my email list!