Welcome To

Gemological Testing Laboratories of India

The Gemological Testing Laboratory is a gemological laboratory which is located in Surat, India, GTLI is Purely Private Laboratory not related to any Government lab.

Some Facts About Us

GTLI's supreme position in the gemological world is because of our updated testing techniques and instruments. The instruments we use are of latest technology and that helps in close monitoring while testing..

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Eperts & Quality Testing

Welcome to Gemological testing lab. A new breed of certification organisation in certifying diamonds and gemstones.

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Ultimate Gem Collection

Check the collection of gems along with all the details of precious stones.

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Who we are

Gemological Testing Laboratory In Surat .

GTLI is a gemological laboratory based in Surat, India. GTLI is Purely Private Laboratory. Our prime motive is to safeguard our clients by providing best diamond/gemstone certificate. To maintain our quality of services we throughly examine and determine the quality/authenticity of gemstone with our best knowledge. We have more than 10+ Years of experience in the Gemology Field. We provide Gem Lab report that can be easily verified using your Report ID in our website. Every client should follow this step to validate authenticity of your report.

Certified Laboratory

Gemological Testing Laboratory is a Certified Laboratory in Surat, India.

Our experience

We have over 10+ Years of experience in the Gemology Field.

Our especially

Why choose us

Well, lots of reasons, but most importantly because..

Quality Lab equiptment

We maintain high quality lab equitpment that is ment for high accuracy and relibality.

Bulk Testing Projects

In a very short span, gathering awesome feedback from our loyal customers. Also we are able to deliver bulk testing reports within the committed time period.

Experience Man-power

We have team of experience certified professionals who have been working in the field for more than decades and are very reliable.

Iconic Awarded Performance

We deliver very accurate results with the stone details, colour, weight and image.

Our works

Best Gemstones

Each year, Thousands of professionals and consumers come in GTL's Lab of Gemology.