This natural Tanzanite is stunning. It's richly saturated giving off that beautiful violet color that all Tanzanite enthusiasts look for. This gemstone is perfect for a ring, pendant or necklace setting, jeweler supply or other jewelry making and craft projects; or will just make a beautiful addition to any collector’s current gem collection. Product: Tanzanite Gemstone Shape: Marquise Color: Blue Number of Stones: 1 Carat Weight: 1.45 Size: 10x5 Treatment: Heat Treated (99% of all Tanzanite is heat treated) Origin: Tanzania All of our gemstones have been tested for accurate identification. Please don't hesitate to let us know if you have any questions or if you would like more information. Thank you for looking!