Welcome to Gemological International Laboratories (GIL)

We provide detailed identification and enhancement reports, country-of-origin reports, as well as complete colored stone analysis documents tailored to gems of unique importance.
WHO WE ARE?

GIL PROFESSIONALS

Gemological International Laboratories (GIL) established in 2013.

EXPERTISE

Gemological International Laboratories (GIL) is an international gemstone testing facility specializing in comprehensive diamond and colored gemstone analysis.

SERVICE PROVIDED

GIL provides detailed identification and enhancement reports, country-of-origin reports as well as complete colored stone analysis documents.

LABORATORY FACILITY

The Laboratory is equipped with state-of-the-art instrumentation and applies standard gemological as well as advanced analytical, techniques to each determination it makes.


CUSTOMER TRUST ON GIL

GIL’s mission is to ensure public trust in gems and jewellery by upholding the highest standards of integrity, technologies, science, and professionalism.

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ABOUT AMETHYST

Amethyst is a violet variety of quartz often used in jewelry. Amethyst occurs in primary hues from a light pinkish violet to a deep purple. Amethyst may exhibit one or both secondary hues, red and blu...

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ABOUT AMBER

Amber is fossilized tree resin (not sap), which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present as a gemstone, amber is made into...

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About SAPPHIRE

Sapphire is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and luster. In the gem trade, Sapphire without any color pre...



REPORT VERIFICATION

SERVICES

WHAT DO WE OFFER ?

GIL provides all the testing reports of Colored Stones, Jewelry, and Diamonds with Security Seal. Reports give an accurate assessment according to strict international standards.

LABORATORY SERVICES

GIL continuously try to improve the grading processes while maintaining faster turnaround time and ensure the highest grading practices.

VERIFICATION PROCESS

GIL has an online report verification system to meet the needs of the industry. An increased effort to maintain additional security measures and support online commerce.

Technology

GIL shares the passion for excellence by constantly upgrading lab equipments and innovating grading processes. We are always looking for fast, accurate, and cost efficient methods to identify and grade gem stones.

ORIGIN REPORTS

We provide Origin Reports for Ruby, Sapphire, Spinel, Emerald, Paraiba Tourmalines, Garnets, and some selected semi precious gemstones in Red Folders.

EXPERT IN GEM TESTING

GET IN TOUCH WITH GIL

+66 2 630 0014

Inquire now

SPECIAL COLOR OF GEM STONE

If the gemstone has special color or rare color we do mention them on our reports.

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Report Verification