Verify Your Report
About IDT
At IDT, we redefine trust in gemology through a seamless 360° ecosystem — combining Laboratory Services, Gemological Education, Equipment, and Consultancy under one global standard of excellence.
Our certification processes and technology empower jewellers, brands, manufacturers, and consumers with the highest level of accuracy and assurance.
With millions of authenticated pieces worldwide, IDT remains a symbol of precision, integrity, and confidence in the gems and jewellery industry.

Laboratory Services
Independent grading and certification for diamonds, gemstones & jewellery.

Education
Gemology programmes for every stage of learning.

Equipment
Advanced authentication systems, including the SYD “Scan Your Diamond” series.

Consultancy
Expert guidance on quality, sourcing, inventory and process optimisation.
IDT Reports
Natural Diamond Certification
The Natural Diamond Certificates are authoritative reports that verify the authenticity of a diamond. They provide a precise and reliable assessment of its identity and quality based on globally accepted grading standards. Each report accurately details a diamond’s Color, Clarity, and Carat weight, ensuring complete transparency and trust.
- Diamond Grading Report
- Studded Jewellery Analysis
- Uncut Diamond Jewellery Report
- Screening Report
Lab Grown Diamond Certification
Lab Grown Reports provide an authentic and detailed analysis of man-made diamonds, ensuring complete transparency and confidence. Each report identifies whether the diamond is CVD or HPHT, and includes grading details for Color, Clarity, and Carat weight, following the same international standards used for natural diamonds.
- Lab Grown Grading Report
- Lab Grown Studded Jewellery Report
- Lab Grown Uncut Studded Jewellery Report
Gemstone Certification
IDT examines mounted and loose coloured gemstones, assessing weight, shape, cut, and colour, using advanced equipment. The report confirms whether the stone is natural or synthetic and details its key characteristics like transparency, dimensions, and weight.
- Natural Gem Testing Report
- Lab Grown Gem Testing Report
- Studded Gem Testing Report
Laboratory Services
A Global Footprint
IDT’s presence extends across the world’s most influential jewellery corridors, led by a strong and respected base in the MEA region (Middle East & Africa) — including the UAE, Kingdom of Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, Egypt, and Jordan — supported by a robust laboratory network across India with established centres in New Delhi, Mumbai, Kolkata, Surat, Thrissur, Chennai, Bangalore, and Hyderabad.
With millions of certified pieces circulating internationally, IDT reports travel far beyond our physical locations—trusted by jewellers, manufacturers, and consumers across the Middle East, Africa, Europe, the Americas, and Asia.
From premium retail chains to independent jewellers, IDT’s certification ecosystem is relied upon in 100+ countries, powering transparent transactions and reinforcing trust in every market we touch. Our mobile laboratory capabilities further strengthen this reach, enabling on-site testing for high-value and high-volume trade environments.
Wherever gems and jewellery move, IDT stands as a global standard of accuracy, integrity, and confidence.
Education
IDT offers structured, industry-focused programs in diamonds, coloured stones, jewellery design, and retail skills. Through practical, guided learning with professional instruments — along with select online certification options — students gain the clarity, confidence, and expertise needed to build successful careers in the gem and jewellery industry.
IDT’s SYD (scan your diamond) Machine Series brings laboratory-level diamond verification directly to the trade.
Powered by advanced AI and precision spectroscopic screening, the SYD system accurately distinguishes Natural, Lab-Grown, Treated, and Simulant stones—including moissanite and CZ—within seconds.
Engineered for retailers, manufacturers, wholesalers, and chain stores, the SYD Series delivers clear, decisive results with unmatched reliability—ensuring transparency and trust at every step of the jewellery journey.
Consultancy
IDT provides expert consultancy services for jewellers, manufacturers, retailers, and emerging brands — offering guidance in quality assurance, sourcing, authentication, and inventory clarity. With deep gemological and trade expertise, we help businesses make informed decisions that strengthen trust, improve consistency, and support long-term growth.
Why Choose IDT
Globally Trusted Certification Authority
Recognised across international jewellery markets for uncompromising accuracy and integrity.
Scientific Precision in Every Report
Advanced instrumentation and expert gemologists ensure consistent, laboratory-grade testing and verification.
Complete Transparency & Ethical Disclosure
Every certificate clearly states origin, treatments, and all measurable parameters ensuring confidence at every stage of the trade.
A 360° Gemological Ecosystem
From certification to education, equipment, and consultancy — IDT empowers the entire gems and jewellery value chain.
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