Gemological Identification

Thai Gem Lab

Bangkok, Thailand

Verify a report

Enter certificate number, blockchain hash, or scan the QR code on your report

The Certificate

One report, fully verifiable

Each stone is issued a folded gemological report printed on 260 gsm card. Every report carries a unique QR code and a SHA-256 hash recorded on the BNB Smart Chain — so anyone can confirm it is genuine by number, hash, or QR scan.

Gemological Report

Thai Gem Lab

Bangkok

Click to open

Thai Gem Lab

Verified

StoneBlue Sapphire

Weight2.15 ct

ColorVivid Blue

OriginSri Lanka

sha256:9f3a2c…
recorded on-chain

✓ Full gemological identification & measurements

✓ Stone photograph

✓ SHA-256 hash on the BNB Smart Chain

✓ QR code for instant verification

✓ Online report access, anytime

✓ Printed on 260 gsm folded card

What we identify

Natural gemstones Lab-grown stones Colored stones Finished jewelry

How it works

From stone to verified report

Submit your stone

Bring or send the gemstone or piece of jewelry to the lab.

Gemological testing

Examined with standard gemological equipment to identify species, treatment, and measurements.

Report issued

A folded card report is printed with the full data, a QR code, and a SHA-256 hash on the BNB Smart Chain.

Verify anytime

You or your buyer can confirm the report online by number, hash, or QR scan.

About

Independent gemological lab

Thai Gem Lab is based in Silom, Bangkok — the heart of Thailand's gem trade. Established by a gemologist with over 26 years of experience in Bangkok's jewelry industry.

We provide professional identification reports using standard gemological equipment. Every certificate is backed by our online verification system and a blockchain hash for tamper-proof authentication.

For retailers & dealers

Volume certification

Professional gemological documentation for your inventory at scale. Get in touch for dealer inquiries.

Get in touch