Gemstone Colour: Yellow Transparency: Transparent Shape: Heart Gemstone Type: Sapphire Gemstone Shape: Heart Gemstone Creation: Natural Certification: IGI Colour: Yellowish Green Treatment: None (No Enhancement) Gemstone Form: Cut Total Carat Weight (TCW): 0.84 Variety/Type: Green Certificate: IGI Yellow Green Untreated Sapphire in IGI Blister. 0.84 Carat with an excellent heart cut & totally untreated/unheated which is very rare for natural sapphires. Confirmed as untreated on IGI report. Fully certified by IGI in Antwerp. The clarity on this stone is also excellent. A very clean stone. A beautiful & unique-colour untreated sapphire. Looks even better in person. 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. Untreated Vivid Green Yellow Sapphire Igi Certified Unheated Heart Cut Gem