ICA | Gemlab
ICA | Gemlab

ICA | GemLab

ICA | GemLab are experts in the origin determination and treatment detection of colored gemstones. Our expertise comes from our unique ability to combine knowledge of renowned gemologists with the latest technology available to meticulously inspect your gemstone and determine more than 40 geographical deposits. We pride ourselves on our responsible, ethical and transparent services – three cornerstone values of our company.

Our Story

The Lab

Our experienced gemologists have full understanding of the different gemological characteristics of the gemstones and their origin. This is especially relevant in today’s gemstones market with customers from around the world demanding clear and precise information about the colored gemstones they acquire and sell.

ICA | GemLab operates in affiliation with the International Colored Gemstone Association (ICA), the only worldwide body specifically created to benefit the global colored gemstone industry.

It is ICA | GemLab’s mission to positively and consistently contribute to the future of gemological science by pushing standards to a higher level of accuracy within the gemstone testing processes, and by delivering to the gem and jewelry trade, reliable and ethical high-quality services.


What makes us special

Global Reach

ICA GemLab is headquartered in Bangkok, Thailand – strategically placed to offer services from one of the world’s major gemstone hubs.


ICA | GemLab operates in affiliation with the International Colored Gemstone Association (ICA).


A combination of advanced instruments with the expertise our team allows for an accurate and ethical gemstone identification process.

Ethics in Gemology

By working in an ethical and honest way, we prioritize the fair treatment of our collaborators and customers. The opinions expressed in our reports are of the highest accuracy.


It is our responsibility to maintain the highest gemological standards. By setting goals and milestones, we promise to better serve our customers as well as the gemstone and jewelry industry as a whole.



By using our services, you are trusting us with your precious gemstones. We do not take this lightly and we will strive to produce accurate, ethical, and transparent services to all customers.

Hours of Operation

9:00am – 6:00pm

We are closed

We are closed

Drop Us a Line

Don’t be shy. Let us know if you have any questions!

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