Transparency: Transparent Gemstone Colour: Colour Change Shape: Octagon Gemstone Type: Sapphire Gemstone Effect: Colour Change Cut Grade: Excellent Gemstone Shape: Octagon Gemstone Creation: Natural Colour: Colour Change Treatment: None (No Enhancement) Gemstone Form: Cut Total Carat Weight (TCW): 0.94 Variety/Type: Colour Change Rare Colour Change Sapphire Gemstone. 0.94 Carat sapphire with a rare colour change effect. Changing colour depending on the light its viewed in. Very rare for natural gemstones, especially Sapphires. Changes colour from a bright blue in white daylight to a pinkish purple in incandescent or artificial light. Very rare & stunning to see. Also has very good clarity, a very clean stone with only some small natural inclusions visible when looking. It also has an excellent fancy octagon cut & polish to show great shine & colour, would look lovely 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. Natural Colour Change Sapphire 0.94Ct Fancy Octagonal Cut Blue Purple Rare Gem