Sapphire : 100% Genuine Stone Unheated Untreated Natural Blue Sapphire. Size - 20.8 cts 18.7 x 14 x 8.14 mm. Origin : Mogok, Myanmar Treatment : none Cutting Style : Faceted. We can provide certificate report of AIGS - Asian Institute of Gemological Sciences.It will cost 60 usd for brift report and 110 usd for Origin report. The item "Extra RARE Natural Unheated Untreated Burmese Cornflower Blue Sapphire Huge 20Ct" is in sale since Thursday, April 18, 2019. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires". The seller is "coin_jade" and is located in Bangkok. This item can be shipped worldwide.