This is a 6.64 carat oval-shaped natural Blue Kyanite gemstone from Nepal. The gemstone has a very good cut grade with a clarity grade of VS. It measures approximately 13.4x9.5x5.6mm in size and is untreated and unheated. The gemstone is part of a fine collection and comes from a natural mine in Nepal. Certification is available upon request for this exquisite piece of gemstone that would be perfect for jewelry-making or collection purposes.