Premier gemological facility that provides a wide range of services for industry professionals and individuals

Our goal is to deliver the highest level of analysis, appraisal, and expert witness services through the use of advanced equipment and a team of skilled gemologists.

Professional Team

Our laboratory is staffed by a team of expert gemologists who use the latest technology to ensure accurate and reliable results. We have a comprehensive gemological research program to deliver objective results

Modern Technology

Powerful analytical tools that allow us to examine material at high magnification in order to document gemological properties, chemical composition, spectral features, and other characteristics.

Accurate Analysis

We use advanced methods to provide accurate gem identification and grading. Our laboratory follows standard procedures and principles to guarantee the objectivity and accuracy of every report issued.


We provide legitimate certification for all gemstones and jewelry, and our certificates are a testament to our commitment to the highest standards and providing assurance for authenticity and quality.

Appraisal Services

We offer a variety of appraisal services for insurance, fair market, expert witness, and other specific purposes. Our appraisals are conducted by expert gemologists with higher level appraisal training.

Global Recognition

Our reports are highly respected in the industry and serve as a benchmark for analysis and grading. We maintain an extensive database of gem grading and identification records.
© 2014 - 2024 The Tanzanite Laboratory Ltd.
© 2014 - 2024 The Tanzanite Laboratory Ltd.