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Where planetary wisdom meets professional gemology.
The Navratnam – 9 Precious Gemstones Program is a specialized, hands-on course crafted for gem enthusiasts, jewellery professionals, astrologers, and aspiring gemologists who wish to master the nine precious planetary gemstones used in Vedic astrology and fine jewellery. Derived from the Sanskrit term Navaratnam, meaning “Nine Gems” (Ratnas), the program blends ancient astrological significance with scientific gemstone identification and grading techniques.
The curriculum explores physical and optical properties, cutting styles, inclusions, classification, and on-sight identification of Ruby, Emerald, Blue Sapphire, Yellow Sapphire, Diamond, Pearl, Coral, Cat’s Eye, and Hessonite Garnet. Through hands-on training with a 10× loupe and microscope, learners develop the confidence to differentiate natural, synthetic, and simulant stones, assess quality and value, and follow ethical trade practices essential in today’s gemstone market.
By integrating astrological relevance with professional gemological testing and market intelligence, this program empowers you to speak with authority, advise with accuracy, and sell with confidence. Whether you aim to build deeper customer trust, enhance jewellery and gemstone sales, offer reliable astrological recommendations, or specialize in planetary gemstones, this course gives you a distinct edge and recognition in the global gemstone and jewellery industry.
Module 1: Physical & Optical Properties of Navagraha
Module 2: Gemstone Cutting, Fashioning, Shapes & Styles
Module 3: Inclusions & Microscopic Study
Module 4: Gemology & Classification – Precious Stones (Ruby, Emerald, Blue & Yellow Sapphire)
Module 5: Diamond Gemology
Module 6: Other Planetary Stones (Pearl, Coral, Cat’s Eye, Hessonite Garnet)
Module 7: On-Sight Identification & Trade Testing
Module 8: Natural vs Synthetic & Simulant Classification
Module 9: Practical Training, Pricing & Gemstone Markets
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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