Transparency: Transparent Gemstone: Sapphire Gemstone Colour: Bi-Colour/Multicolour Shape: Cushion Gemstone Type: Sapphire Cut Grade: Excellent Gemstone Shape: Cushion Gemstone Creation: Natural Certification: GIA Colour: Blue-Green Yellow Gemstone Treatment: Not Enhanced Gemstone Form: Cut Total Carat Weight (TCW): 1.14 Variety/Type: Bi Colour Country of Origin: Thailand GIA Certified Untreated Thai Parti Colour Sapphire Gemstone. 1.26 Carat unheated sapphire with a beautiful blue-green yellow parti colour effect. Fully certified by GIA confirming stone as natural, Thai origin & untreated. Very rare gem. This sapphire has excellent clarity, a very clean stone. The sapphire also has an excellent cushion cut & ideal polish to show great shine & colour. Would be great for investment, a collection or would look wonderful in a piece of high end jewellery. 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 Untreated Parti Colour Sapphire 1.26Ct Gia Certified Cushion Cut No Heat Gem