Gemstone Shape: Oval Gemstone Type: Sapphire Gemstone Form: Cut Cut Grade: Excellent Gemstone Creation: Natural Gemstone: Sapphire Shape: Oval Transparency: Transparent Total Carat Weight (TCW): 0.58 Variety/Type: Blue Colour: Blue Gemstone Colour: Blue Fine Deep Blue Australian Sapphire Gemstone. 0.58 Carat with a beautiful deep blue colour & excellent clarity, a very clean stone. Also has an excellent oval cut & polish to show great shine & colour, would look lovely in jewellery. Measures 5 x 4.4 mm. Standard heated like nearly all sapphires on the market. No diffusion or other treatment Please view our other listings for more fine gemstone & jewellery pieces. - 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. 0.58Ct Fine Deep Blue Sapphire Oval Cut Australian Rare Loose Gemstone 5x4.4mm