
Gemstone Identification
Determining whether a gemstone is natural, synthetic or another material.
Gemstone Testing • Gem Research • Certification
We combine professional gemological examination, advanced testing techniques and research expertise to help you understand the true identity and characteristics of your gemstones.
Accurate identification of natural, synthetic and treated gemstones.
Professional reports documenting important gemological characteristics.
Detailed gemological research of unusual and important gemstones.
About Ceylon Gem Lab
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.
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Our Services
From identification to research and certification, every stone is examined using systematic gemological methods.
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Determining whether a gemstone is natural, synthetic or another material.

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

Study of inclusions and internal characteristics under the microscope.

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

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

Professional reports documenting the observed gemological characteristics of your stone.
Why Choose Ceylon Gem Lab?
YOUR TRUST
IS OUR
GREATEST
ACHIEVEMENT
Gem Guide
Blue Sapphire
Ruby
Emerald
Alexandrite
Star Sapphire
Cat's Eye
Paraiba Tourmaline
Pink Tourmaline
Tanzanite
Aquamarine
Spinel
Zircon
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 ReportExplore the Full Gem Guide14 gemstones, from Ceylon sapphire to alexandrite