About us
Stories and science from the gem laboratory
Authenticity You Can See.
Accuracy You Can Trust.
Thailand has long been recognized as a global hub for precious gemstones and jewelry. Jemma Gem Lab is a gemstone laboratory founded in Thailand to provide professional analysis and certification services for gemstones.
At Jemma Gem Lab, we deliver reliable and accurate data to help our clients increase the value and trustworthiness of their products. Our team consists of highly experienced gemologists with over 20 years of expertise in the field. With our advanced knowledge and professional service, we are committed to providing our customers with the highest level of accuracy, integrity, and confidence in every report we issue.
Accuracy. Integrity. Transparency.
Expertise. Excellence — our foundation of trust in every gemstone.
Accuracy
We ensure scientific precision in every analysis, using advanced gemological instruments and globally accepted standards to deliver results you can trust.
Excellence
We strive for perfection in service, science, and standards ensuring every gemstone we examine is represented with the utmost care and precision.
Expertise
Our team of gemologists brings over two decades of experience and continuous learning to provide reliable insights and accurate certification.
