Transparency: Transparent Gemstone Colour: Blue Shape: Oval Gemstone Type: Sapphire Cut Grade: Very Good Gemstone Shape: Oval Gemstone Creation: Natural Certification: GIA Colour: Green Blue Gemstone Treatment: Not Enhanced Treatment: None (No Enhancement) Gemstone Form: Cut Total Carat Weight (TCW): 1.00 Variety/Type: Blue GIA Certified Fine Vivid Green Blue Untreated Sapphire Gemstone. Fully certified by GIA confirming stone as natural & untreated. Very rare for natural sapphires. 1.00 Carat with excellent clarity, a very clean stone. It also has an excellent oval cut & ideal polish to show great shine & colour, would look lovely in jewellery. A fine, top grade untreated certified sapphire. Please view our other listings for more fine gemstone & jewellery pieces. 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. 1.00Ct Sapphire Gia Certified Untreated Vivid Green Blue Oval Cut Unheated Rare