Description Species: Natural Opal Variety: Crystal Opal Shape & Cutting Style: Oval, Cabochon Measurements: 21.37 x 15.39 x 7.93 mm Weight: 12.76 Carat Color: Gray + Play of Colors (Vivid) Transparency: Opaque Color Quality Grade: Fine Color Quality Optical Effect: Opaliscence *Origin: Ethiopia Treatment: No indications of treatment Laboratory report number: 99012533 Shipping method: Registered and insured shipping. Combined shipping available when you win multiple lots *Country of origin as expressed herein, is only based on a spontaneous declaration of the seller, agreed as possible from the auctioneer, although not substantiated by an official expert opinion from the gemological laboratory issuing the report. The photos were taken in a professional studio with extensive lighting to enhance the visibility of the color variations. The images have not been edited in order to present the most realistic representation possible. Color deviations may occur depending on the display settings of your computer, monitor, or smartphone. Please feel free to take a look at my other listings and offers as well!