This loose gemstone is a breathtaking 5.02 carat heart-shaped Tanzanite with a very good cut grade. Mined naturally and unheated, the gemstone boasts a vivid blue color and eye-clean clarity grade. Originating from Tanzania, this rare and exquisite gem is perfect for creating a stunning piece of jewelry. Certification is available upon request for this natural Tanzanite from the reputable brand natural mine.