Colored Stone Identification Report
Precise gem testing to identify gemstone type, variety, and authenticity with detailed observations.
Certified Confidence in Every Gem
Advanced Colored Stones
Detailed Certificate
At Geneve Gem Lab, we specialize in the advanced analysis of gemstones, offering detailed certification for colored stones, loose diamonds, and mounted jewelry.
Using state-of-the-art equipment including spectrometers, microscopes, and UV/IR technology we ensure each report reflects the highest standards of precision and reliability. Whether you're a jeweler, trader, or end customer, our testing services are built to deliver confidence, clarity, and credibility in every gemstone.
Advanced Jewelry
Detailed Certification
At Geneve Gem Lab, we specialize in the advanced testing and certification of diamonds and fine jewelry. Our comprehensive reports cover everything from loose diamonds to intricately mounted pieces, ensuring each item is analyzed with the highest level of precision.
Utilizing state-of-the-art equipment such as high-resolution microscopes, advanced spectrometers, and UV/IR analysis tools, we guarantee results that meet international standards of accuracy and trust. Whether you’re a jeweler, retailer, or end customer, our certifications provide the clarity, assurance, and credibility you need.
Professional Gem Testing & Certification Services
We offer high-precision gemological testing for diamonds, colored gemstones, and jewelry.
Trusted by traders, jewelers, and collectors worldwide.
Colored Stone Origin Report
Geographic origin determination for sapphires, rubies, emeralds and more using advanced analysis.
Treatment Detection Report
Detection of heat, fracture filling, diffusion, and other common gemstone enhancements.
Loose Diamond Grading Report
Full 4C evaluation cut, color, clarity, and carat according to international grading standards.
CVD & HPHT Diamond Identification
Detection of synthetic diamonds grown via CVD or HPHT methods using specialized equipment.
Jewelry Testing Report
Comprehensive analysis of mounted jewelry for gemstone authenticity and quality grading.
Trusted Gemological Testing
Advanced Testing for Diamonds,
Advanced Testing for Diamonds,
Colored Stones & Jewelry
At our state-of-the-art laboratory, we provide comprehensive testing and certification services for loose diamonds, colored gemstones, and mounted jewelry.
Our lab is equipped with cutting-edge tools such as spectrometers, microscopes, and UV/IR analysis to ensure the highest level of accuracy in every report. Whether you are a trader, jeweler, or end buyer, our services are designed to provide complete transparency and trust.
Get in touch we're here to help you certify with confidence
Have questions about gemstone or jewelry certification?
Reach out to our expert team today. At GGL, we're dedicated to providing clarity, accuracy, and trusted service.
Our Locations
Geneve International Gems Lab (Thailand) Co. Ltd.981, Room No. 5, Silom Road, Silom Subdistrict,
Bang Rak District, Bangkok 10500
Give Us A Call
+ 66 2 2355 911
Help Desk
contact@genevegemslab.com
© 2025 Geneve International Gems Lab (Thailand) Co.. Ltd..
