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VERIFY YOUR REPORT

GGDL grades the widest variety of gemstones and jewelry in more corners of the world than any other gemological organization.

Diamond Ring

DIAMOND REPORT

Detailed grading and certification for diamonds.

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Loose Gemstones

COLORED STONE
REPORT

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Ring Image

JEWELLERY REPORT

Certification & appraisal for finished jewellery.

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Emerald Gemstone
Emerald Gemstone

Why GGDL

Upholding the highest standards of quality, GGDL has set up an international standard laboratory, furnished with cutting-edge gem testing equipment, modern technology, and extremely qualified gemologists who test and certify your diamonds and gemstones.

Our commitment is to provide absolute assurance and transparency in every grading report.

Gemologist working on a stone

Gemstone Guides

Diamond 4Cs

Diamond 4Cs

Diamond Shapes

Diamond Shapes

Jewelry Care

Jewelry care tips

Certificate Verification

Laboratory

Laboratory Services

GGDL is the most progressive and trusted institute in India with a rock solid credibility which is proving enough for diamond graders to use GGDL's diamond grading reports as benchmarks.

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Testimonials

“Being associated with Global Diamond Laboratory (GGDL) has been one of the most enriching experience of my life. GGDL has not only provided in depth knowledge of gemstones and diamonds but also expanded my vision in this trade.”
Vikas Mehta
Mehta & Sons, Gujarat
“Their grading reports are precise and trusted. The team is professional and the turnaround time is impressive. Our clients appreciate the detailed certificates.”
Anita Kapoor
Kapoor Jewelers, Mumbai
“GGDL's services helped us improve client trust and transparency. We rely on their assessments for valuation and resale.”
Rohit S.
Rohit Diamonds, Surat

Reports & Certificates

GGDL may be better known in the industry for its work in the field of certification, but its activity as a Research & Development (R&D) centre in gemmology has been no less significant.

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Importance of Certification

How do you know when you intend to buy a diamond or a diamond jewel that the gem is corresponding to what the jeweler describes to you?

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