Shape: Oval Natural/Lab-Created: Natural Transparency: Translucent Total Carat Weight (TCW): 0.4-0.6 x1 Natural Crystal Fire Opal Gemstone. Selected from parcel of 7x5mm oval cabcohon opals. Gems approx 0.4-0.6 carat but will vary. Sizes 7x5mm with +/- tolerance of approx 0.3mm. Buyers can select between light body colour & dark body colour or request certain sizes. But all stones have stunning flashes of play of colour. All opals in the parcel have excellent oval cabochon cuts & very good to excellent clarity. All with excellent polish to show great shine & colour, would look lovely in jewellery. Please view our other listings for more fine gemstone & jewellery pieces. Our stock is stored offsite in a safe deposit vault so there may sometimes be delays in dispatch. All our products are tested by a gemmologist with the following qualifications: - Distinction grade in gemmology with the Gemmological association of Great Britain (Gem-A) - Accredited jewellery professional (AJP) with the Gemmological institute of America (GIA) - Fellow of the Gemmological association of Great Britain (FGA) We only deal in natural, earth mined gemstones & describe all our listing as accurately as possible. Photographs taken at 20x zoom with only natural daylight & no photoshop. All items are sent tracked, signed & insured in nondescript parcels. International buyers welcome, we ship to all destinations throughout the world x1 Natural Fire Crystal Opal 7x5mm Oval Cabochon 0.4 0.6Ct Gem Jewellery Supply