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    Welcome to
    Gem Diamond
    Testing Lab
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    15 years of Trust
    as name Kalia Gems
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    We believe in
    Customer Satisfaction
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    What we believe
    Accuracy, Experience, Security and Affordability is our Motto

Welcome to Gem Diamond Testing Lab

A pioneer name in Gem Identification, Diamond Grading and Studded Diamond Jewellery Grading.

Gemstone Testing

All types of gemstones are tested in order to identify the species and to differentiate between natural gemstones and their synthetics and simulants together with the various scientific treatments used.

Diamond Grading

Gem Diamond testing lab deals with Diamond certification, Diamond Identification, Diamond Assortment, Diamond Treatment Identification, Diamond is treated with High Class Equipments

Jewellery Certification

A certificate from Gem Diamond Testing Lab gives you surety to buy jewellery, Gems, Diamonds with confidence at the world's largest independent Gemstones, Diamonds and Jewellery Testing Lab

Our Mission

Gem Diamond Testing Lab is committed to provide quality education, develop skills innovatively and create career opportunities thus contributing to the growth of the Gems and Jewellery sector and society at large.

  • Equipped with most modern and advanced instruments.
  • Highly qualified and experienced gemologists
  • Certificate of all varieties & species of gemstones and treatments
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Learn More

Certificate Tracking

Certificate No.

More About Gems

Know you Birth Stone

Why choose us

We offer the highest professional standards in lab testing. At GDTL, We include leading Gemologist experts in our test selection, Certification, and results review. Our approach is voluntary - we chose to adhere to the highest professional and regulatory standards in order to provide you with the best quality care and customer experience.

To be the leading "Gems and Jewellery Testing Laboratory" by providing world class quality Gemstones, Diamonds and Jewellery certification.

Our Speciality

Gemstone Testing 90%
Diamond Grading 85%
Jewellery Certification 89%