Participate in engaging gem courses led by experienced industry professionals, where you'll gain practical skills and insights.
Mr. Umesh Wariyapperuma is not just a Gemmologist he’s a living legacy in Sri Lanka’s Gemstone Industry. With over 20 years of international experience and qualifications earned locally and internationally Germany and across the entire Europe, Mr. Umesh Wariyapperuma has built a global reputation for excellence in gemstone trading, testing, and education.
Learn practical methods to distinguish natural, synthetic, and treated stones.
Understand global trading techniques and pricing factors.
Turn your gem knowledge into profitable opportunities.
Validate your expertise with a CAGS-accredited certification.
At CAGS, learning goes beyond theory. Our professional gemmology lab provides a hands-on environment where students test, analyze, and identify real gemstones using industry-grade instruments. From microscopes and spectroscopes to UV testing tools and precision measuring equipment, every session is designed to give you practical experience and confidence in gemstone evaluation.
What our students say about learning at CAGS.
Start your journey to becoming a gem trading expert! Enroll in our certification program at CAGS to gain essential knowledge and practical skills in the gemstone world. Join us and discover the secrets of gem trading!
