Precision in Every Gemstone
TGEM Stones
Laboratory
A trusted name in scientific gemstone testing and transparent certification. Accuracy, integrity, and industry-leading expertise in every gemstone we examine.
About TGEM
Where precision
meets promise
At TGEM, each gemstone undergoes a meticulous evaluation supported by advanced instruments, global standards, and highly trained gemmologists. Our goal is to empower jewellers, traders, and end-consumers with reports that inspire confidence and uphold ethical practices across the value chain.
With a focus on continuous innovation, reliable methodologies, and educational outreach, TGEM stands as a forward-thinking laboratory dedicated to strengthening trust in the gems and jewellery industry.
5+
Services
100%
Transparency
Global
Standards
What We Offer
Our Services
From identification to education, a complete suite of gemmological services backed by science and integrity.
Gemstone Identification
Precise identification of natural, treated, and synthetic gemstones using advanced gemmological instruments and globally accepted testing standards.
Origin Assessment
Specialised testing to evaluate geological indicators that may suggest a gemstone's potential origin with comparative reference data.
Treatment Detection
Accurate analysis of heating, filling, diffusion, irradiation, dyeing, and other enhancement processes with complete transparency.
Jewellery Certification
Comprehensive evaluation of mounted gemstones and finished jewellery, including identification, quality grading, and documentation.
Workshops & Training
Skill-building programs for jewellers, traders, students, and enthusiasts in gem identification, grading, and industry best practices.
Precision isn't just a process
it's our promise.
Why TGEM
Built on trust,
driven by science
Every gemstone tells a story. We ensure that story is told with accuracy, transparency, and care.
Scientific Accuracy
Modern instrumentation, structured methodologies, and globally aligned standards for dependable results every time.
Integrity at Every Step
Honesty, transparency, and ethical disclosure. Each report reflects a commitment to building trust across the supply chain.
Experienced Gemmologists
Our team is trained in advanced techniques and continuously updates skills aligned with international practices.
Reliable & Timely
Precise evaluations within committed timelines. We understand the pace of the trade without compromising quality.
Customer-Centric
Personalised guidance and clear communication for jewellers, retailers, traders, and consumers at every stage.
Documentation
Report Types
Each report is crafted with scientific rigour and presented with clarity for all stakeholders in the gemstone industry.
Gemstone Identification Report
A detailed scientific assessment confirming natural, synthetic, or imitation status, along with species, variety, and key characteristics.
Gemstone Grading Report
Evaluation of colour, clarity, cut, and carat weight designed for both loose stones and mounted jewellery.
Treatment Disclosure Report
Clear documentation of any enhancements detected, helping buyers make informed, responsible choices.
Origin Opinion Report
Provided only when sufficient gemmological evidence supports a potential origin conclusion.
Jewellery Report
Complete assessment of finished jewellery items, including stone identification, grading, and craftsmanship notes.
Get Your Report
Ready to certify
your gemstones?
Whether you are a jeweller, trader, or collector, our team provides the trusted certification you need. Reach out today.
Get in Touch