In the highly precise and fast-evolving world of gemology, professionals and retailers across the globe are actively searching for a diamond testing lab they can trust—one that guarantees accuracy, integrity, and scientific rigor. At GJA – The Gem & Jewellery Academy, our state-of-the-art laboratory services are earning the confidence of India’s leading jewellers, manufacturers, and gemstone experts for providing more than just certification—we deliver credibility, consistency, and clarity.

The True Importance of a Reliable Diamond Testing Lab

When professionals search for a diamond testing lab, they’re not just looking for technical analysis—they are looking for:

• Verifiable authentication through advanced equipment

• Transparent and standardized reports they can trust

• A lab that understands industry needs and customer expectations

• Timely and reliable service that keeps their business flowing

At GJA, we recognize the enormous responsibility that comes with certification. That’s why our laboratory doesn't just meet expectations—we exceed them, with every report being a benchmark of integrity and precision.

Why Industry Professionals Rely on GJA’s Lab

Whether you're a retailer, exporter, manufacturer, or gemstone collector, your reputation depends on the accuracy and authenticity of your products. Here's why the GJA diamond testing lab is the preferred partner for professionals across the industry:

Scientifically Accurate Gem & Diamond Reports

Our lab uses internationally recognized testing methods and cutting-edge instruments to deliver results you can rely on. Every gemstone and jewellery item undergoes:

• 100% objective evaluation using spectroscopy, microscopy, and advanced imaging

• Comprehensive analysis for treatments, origins, and enhancements

• Detailed, tamper-proof reports that accompany each tested piece

Expertise Backed by Education

As part of GJA – The Gem & Jewellery Academy, our lab is powered by years of academic and industry insight. This synergy ensures our lab is always ahead of market trends and technological innovations. Our gemmologists are:

• Internationally trained and certified

• Committed to continuous learning and development

• Capable of identifying even the most complex treatments or imitations

Rapid, Transparent, and Professional Services

Timeliness is critical in the gems and jewellery business. Our testing protocols are optimized for speed without compromising on accuracy. Clients trust GJA for:

• Fast turnaround times

• Transparent fee structures with no hidden costs

• Clear documentation with high-resolution imagery

What Makes GJA’s Lab Different from Standard Testing Centers

Trusted by the Gems and Jewellery Industry Across India

From Mumbai to Chennai, Jaipur to Hyderabad, GJA’s diamond testing lab serves a wide spectrum of industry professionals, including:

• Independent jewellers and goldsmiths

• Export houses and gemstone traders

• Jewellery showrooms and designers

• Diamond certification and retail platforms

• Auctioneers, collectors, and investors

Services Offered by GJA’s Diamond Testing Lab

We provide in-depth analysis and certification for:

• Loose and mounted diamonds

• Coloured gemstones (precious and semi-precious)

• Jewellery items for metal content and setting details

• Origin and treatment verification

• High-quality images and standardized documentation

Each report reflects our rigorous quality checks and scientific scrutiny—making it a valuable asset in both domestic and international trade.

GJA – A Lab Powered by Education, Technology, and Integrity

As a division of GJA – The Gem & Jewellery Academy, our lab represents a rare combination of education, innovation, and industry connection. This means:

• We stay updated with global standards and technological advancements

• We actively engage with students, professionals, and researchers

• We uphold a mission to educate and empower the entire industry ecosystem

This makes GJA not just a service provider, but a trusted knowledge partner in the gem and jewellery industry.

Voices from the Industry

“Every report we receive from GJA is clear, detailed, and accurate. Their diamond testing lab has become our go-to source for gemstone verification.”
– Rajan M., Diamond Retailer, Mumbai

“We shifted to GJA after multiple inconsistencies from other labs. Their lab reports carry real value and credibility in our export markets.”
– Priya S., Export Consultant, Jaipur

“Having a lab that also functions as an academy brings unmatched expertise. GJA understands both theory and real-world business.”
– Kunal R., Jewellery Manufacturer, Surat

Conclusion: A Local Lab with a Global Standard

If you're a jeweller, designer, or gemstone professional searching for a diamond testing lab that combines technology, trust, and transparency, look no further than GJA – The Gem & Jewellery Academy. With our deep-rooted educational background and cutting-edge scientific capabilities, we’re not just a lab—we’re your partner in elevating the quality and credibility of your gems and jewellery.

Frequently Asked Questions (FAQs) About GJA’s Diamond Testing Lab

1. What services does GJA’s diamond testing lab provide?

We offer professional testing and certification of loose and mounted diamonds, coloured gemstones, and finished jewellery items. Our services include treatment detection, origin analysis, metal verification, and high-resolution documentation.

2. Is your lab ISO certified?

Yes, GJA – The Gem & Jewellery Academy is an ISO-certified institution, ensuring our laboratory maintains international standards in both quality and process integrity.

3. What types of diamonds can be tested at your lab?

Our lab is equipped to test all types of diamonds—natural, treated, and synthetic (including CVD and HPHT). We provide complete analysis and clearly label the nature of each stone in our reports.

4. Can you test diamonds that are already set in jewellery?

Absolutely. We have specialized equipment to accurately test mounted diamonds and gemstones without removing them from their settings, maintaining the integrity of your jewellery.

5. What equipment do you use in your diamond testing lab?

We utilize state-of-the-art instruments including UV-VIS spectrometers, FTIR, Raman spectroscopy, microscopes, and advanced imaging systems to ensure accurate and scientific analysis.