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Our Services

Diamond Assortment

-2, Star, Mella, Pointer and other kind of Diamond testing

Diamond Jewellery

Diamond Jewellery Testing

Gemstones

Gemstones Testing

Gemstone Jewellery

Gemstone Jewellery Testing

Dia. & Gem. Jewellery

Diamond & Gemstone Jewellery Testing

About TGL

Professional Gemologist

Welcome to TGL Gem Testing Laboratory

TGL is a private independent Laboratory, specializing in certifying Diamond Jewellery, Coloured Gemstones and Diamond Assortment. Trusted by jewellers and consumers alike, TGL Reports represent the highest standard of reliability, consistency and integrity.

Some facts about us

TGL provides total commitment to understanding consumer concerns has motivated TGL to develop comprehensive analysis and clear documentation for consumers. This empowers jewellery buyers to focus on finding precisely what they want, with full assurance in the integrity and quality of the TGL certification. We offer the highest professional standards in lab testing. Our approach is voluntary - we chose to adhere to the highest professional and regulatory standards in order to provide you with th

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