Gemstone Certification Guarantee
Every precious gemstone in the Mihilak Gems vault is accompanied by official, verifiable gemological reports from independent government and international gem testing institutions.
100% Natural Earth-Mined
We deal exclusively in genuine natural gemstones extracted ethically from Sri Lanka's traditional alluvial deposits in Ratnapura and Elahera. Zero synthetic or lab-grown corundum.
Unconditional Treatment Disclosure
Whether a sapphire is completely unheated (No Indication of Thermal Enhancement) or gently heated via traditional methods, the exact status is certified and documented on the laboratory report.
Official Laboratory Verification
Where digital verification is supported by the issuing laboratory (e.g. NGJA, GIA, GRS), we supply the exact report reference code and direct portal verification link.
Recognized Testing Laboratories
National Gem and Jewellery Authority (NGJA)
The official state gemological authority of Sri Lanka, established by Parliamentary Act. Provides authoritative origin and treatment testing.
Gemological Institute of America (GIA)
The world's foremost authority in gemology, establishing the 4Cs and leading global origin determination protocols.
GemResearch Swisslab (GRS)
World-renowned independent Swiss laboratory specializing in high-value colored stones, Royal Blue, and Padparadscha color grading.
Ceylon Gem Laboratory (CGL / TGL)
Respected Colombo-based gemological testing laboratories staffed by FGA/GG certified master gemologists for detailed local trade and origin analysis.
How to Verify Your Mihilak Gems Certificate
Quick 3-step authentication for complete peace of mind.
Find the Certificate / Memo number printed on the physical document or listed on our product page (e.g. NGJA Memo #).
Visit the official NGJA verification database at gemlab-certificate.ngja.gov.lk.
Verify that the carat weight, dimensions (mm), color, and natural origin status match our stone listing exactly.