The Gemological


Unlock the true value of your gemstones with our expert evaluation and authentication services at The Tanzanite Laboratory.

Trusted Expertise Since 2014

Providing objective, in-depth and expert evaluations for gemstones from all over the world. Trust our trusted expertise and integrity to give you the accuracy and certainty you need in your gemstones evaluations.


A wealth of knowledge earned through years of dedicated research and collaboration with industry experts.


Our laboratory uses the latest cutting-edge technology and is staffed by a trained, skilled team of gemologists.


Each gemstone undergoes rigorous quality controls and special handling from procurement to physical analysis.


We provide certificates of authentications with a unique certification ID to verify the gemstone was graded appropriately according to industry standards


We provide expert appraisals from our expert lab specialists to provide a replacement value in the event the item is lost or needs to be insured.


Covering diverse workshops for identifying gemstones and staying current with trade trends, from determining the quality to assessing the value.
© 2014 - 2024 The Tanzanite Laboratory Ltd.
© 2014 - 2024 The Tanzanite Laboratory Ltd.