AGTL (Aun Gemstones Testing Lab) has been a leader in gemstone authentication and certification for over two decades.
What began as a small specialized service has grown into an internationally recognized institution trusted by jewelers, collectors, and enthusiasts worldwide. Our commitment to integrity, precision, and education has established us as a benchmark in the gemological industry.
Each gemstone that passes through our lab undergoes rigorous testing to ensure its authenticity, quality, and characteristics are accurately represented. We pride ourselves on our meticulous attention to detail and our dedication to advancing gemological science.
To provide the most accurate, reliable, and comprehensive gemstone testing services through cutting-edge technology, expert knowledge, and unwavering integrity. We are committed to advancing gemological science and setting the standard for excellence in our industry.
To be the world's most trusted authority in gemstone authentication and certification, recognized for our innovation, educational outreach, and commitment to ethical practices in the global gem and jewelry community.