Comes with pictured gift/display chain (not gold). We do not sell opal simulants of ANY sort. All of our opal is 100% guaranteed Natural Australian Gemstone.Auctiva offers Free Image Hosting and Editing. The item "Large Silver Opal Pendant Genuine Natural Australian Jewelry 18.2ct Gift Gem B08" is in sale since Sunday, October 6, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "worldclassopal" and is located in Coober Pedy, South Australia. This item can be shipped worldwide.