This stunning tanzanite, sourced from the world's only mine in Tanzania, is a rare and valuable gem. As the mine's resources dwindle, tanzanite prices are expected to soar. This piece features exceptional color and clarity and comes with certification from the renowned ALGT lab, ensuring its authenticity and quality. The ALGT lab explicitly states that the color of this gem is INTENSE, marking it as one of the most sought-after by investors for its superior quality. Don't miss this unique opportunity to own a truly rare gemstone. Antwerp Laboratory for Gemstone Testing ALGT Colored Stone Identification Report Report Number: 19776694 Species: NATURAL Zoisite Variety: TANZANITE Shape & Cutting Style: Square Cushion, Mixed Cut Measurements: 6.04 x 6.03 x 4.17 mm Carat Weight: 1.05 Carat Color: INTENSE Purplish Blue Transparency: Transparent Suggested Origin: Tanzania Comments: Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not.