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Diamonds may be forever — but so are the legacies of Ruby, Emerald, Sapphire, and Pearl.
The Big 5 – Gem World Essentials is a comprehensive professional gemology course and certification program focused on building true expertise in natural, synthetic, and simulant gemstones from across the world. The world of gems is where science meets beauty and value meets trust.
This gemstone identification course takes you through the complete mine-to-market journey — from gemstone formation and mining to grading, valuation, and jewellery application. Covering crystal structures, inclusions, cuts, treatments, origins, and global gemstone trade dynamics, every concept is explained with direct relevance to the jewellery industry. Blending theory with practical training, students learn on-site gemstone identification, loupe and microscope observation, separation of natural vs synthetic gemstones and simulants, along with pricing and valuation fundamentals. The program builds the professional confidence required in gemstone buying, selling, certification, and jewellery retail communication.
Whether you aim to start a career in gemology, strengthen jewellery retail expertise, enhance sourcing knowledge, or simply pursue your passion for gemstones, this course delivers real industry skills and clarity behind every stone. Available in Hybrid and Online learning modes, it makes professional gemology education accessible, practical, and career-oriented.
Module 1: Introduction to the Gemstone World
Module 2: Formation, Mining & History
Module 3: Gemology of The Big 5
Module 4: Physical, Optical & Chemical Properties
Module 5: From Rough to Cut & Polished
Module 6: Cuts, Shapes & Fashioning
Module 7: Inclusions & Microscopic Study
Module 8: On-Sight Identification & Trade Testing
Module 9: Classification of Gemstones
Module 10: Pricing, Origins & Markets
Final Assessment & Certification
Mr. Rahul Desai - CEO of International Institute Of Gemology is a passionate mentor, educator, motivator, and instrumental in carving 30,000 plus careers for the Gems &Jewellery industry since 2 decades. Following his father’s legacy since 1965, IIG is the only private institute producing 1,00,000 young enthusiasts and entrepreneurs for the various aspects of the gems & jewellery trade, and under his strong leadership, he has successfully established 5 branches pan India and has become the fastest growing institute in the world of Gem & Jewellery education field.
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