This is an unheated and untreated 100% Natural Blue Sapphire from Sri Lanka. It is an Oval shape cut and medium blue color gem with well saturation. It is absolutely beautiful with luster and transparent body. This gem has been certified as “UN HEATED” by a professional Gemologist (Member of GIA) Certificate is issued free of charge with the gem to the buyer. Clarity is VS, It is approx 8.58 mm x 7.36 mm – 7.52mm depth in size and weighs 4.00 carats