Backing on opal is visible to confirm it is natural opal, not synthetic. The item "Natural Australian Boulder Opal Ladies Pendant Sterling Silver" is in sale since Wednesday, June 3, 2020.
This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "blackonyx-88" and is located in Stockton, California. This item can be shipped to United States.