100% natural earth born loose tanzanite. 1.60 carat loose tanzanite. Perfect marquise cut gemstone. AAA tanzanite loose stone for setting in fine jewelry like rings, pendants and etc. Tanzanite – named after the only place in the world where this gemstone can be found, Tanzania - was first discovered in 1967. Immediately after its discovery in the Merelani Hills in north Tanzania, tanzanite was celebrated as 'the gemstone of the 20th century'. Purple-blue tanzanite is a wonderful gemstone for those in need of spiritual healing. It resonates or vibrates at a high rate which makes for a quick but gentle connection with angelic realms, spirit guides and higher consciousness. This gemstone can be certified by a GIA graduate gemologist as per your request.