Trusted expertise in gem identification, certification, and origin determination. Serving the jewelry trade and collectors across Sri Lanka and internationally.
Established as Sri Lanka’s leading independent gemological laboratory, Tokyo Gemological Center (TGC) provides world-class gem identification and certification services. Located in Colombo, we combine advanced scientific instrumentation with decades of expertise to deliver accurate, reliable gemological reports.
Our mission is to promote confidence in the gem and jewelry trade through precise identification, comprehensive testing, and detailed documentation of precious stones.
Our Services:
Comprehensive Gemological Services
– Gem Identification & Classification
– Origin Determination
– Treatment Detection
– Quality Grading
– Carat Weight Measurement
– Color Analysis
– Clarity Assessment
– Enhancement Disclosure
– Digital Photography & Documentation
– Consultation Services
