Gemstone Testing • Gem Research • Certification

INDEPENDENT GEMSTONE
EXPERTISE YOU CAN TRUST.

We combine professional gemological examination, advanced testing techniques and research expertise to help you understand the true identity and characteristics of your gemstones.

Identification

Accurate identification of natural, synthetic and treated gemstones.

Certification

Professional reports documenting important gemological characteristics.

Research

Detailed gemological research of unusual and important gemstones.

About Ceylon Gem Lab

Where Science Meets
Trust & Transparency

Ceylon Gem Lab (Pvt) Ltd is a Sri Lankan gemological laboratory established in the heart of China Fort, Beruwala — one of Sri Lanka’s historic centres of gemstone trading. We focus on gemstone testing, gemological research and professional certification, helping gem dealers, collectors, jewellery businesses and gemstone owners make informed decisions.

Learn More About Us

Our Services

Comprehensive Gem Testing &
Certification Services

From identification to research and certification, every stone is examined using systematic gemological methods.

View All Services
Gemstone identification

Gemstone Identification

Determining whether a gemstone is natural, synthetic or another material.

Natural gemstone examination

Natural Gemstone Examination

Detailed examination of sapphire, ruby, spinel, tourmaline, chrysoberyl and other coloured gemstones.

Microscopic examination

Microscopic Examination

Study of inclusions and internal characteristics under the microscope.

Treatment detection

Treatment Detection

Examination for indications of enhancement, including heat-treatment features where detectable.

Gem research

Gem Research

Research and examination of unusual, rare or scientifically interesting gemstones.

Gem certification

Gemstone Certification

Professional reports documenting the observed gemological characteristics of your stone.

Why Choose Ceylon Gem Lab?

Integrity. Accuracy. Excellence.

  • ✓ Professional gemological examination using established methods
  • ✓ Research-focused approach — we look beyond basic identification
  • ✓ Sri Lankan gemstone expertise, based in China Fort, Beruwala
  • ✓ Detailed documentation in professional gemstone reports
  • ✓ Confidential handling of client and gemstone information
  • ✓ International perspective serving dealers, collectors and jewellers worldwide

YOUR TRUST
IS OUR
GREATEST
ACHIEVEMENT

Gem Guide

CERTIFIED GEMSTONES. TRUSTED WORLDWIDE.

  • Independent & unbiased
  • GIA-qualified gemologists
  • Licensed by Sri Lanka’s NGJA

GIA-Qualified Gemologists

Our consultant gemologists hold GIA GG and GIA AJP (USA) qualifications. Ceylon Gem Lab (Pvt) Ltd is licensed by the National Gem & Jewellery Authority of Sri Lanka.

Verify Your Report

Explore the Full Gem Guide14 gemstones, from Ceylon sapphire to alexandrite

KNOW YOUR STONE. TRUST YOUR CERTIFICATE.

Submit your gemstone to Ceylon Gem Lab for professional examination and certification.

Already have a CGL report? Verify it online →
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