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School of Gemology

Whether you want to become a more confident buyer, a diamond grader, jewelry designer, sales professional or Graduate Gemologist, IGI’s worldwide schools offer an unrivaled range of coursework, spanning everything from rough diamond grading to gemstones, pearls, modern treatments and computer-assisted jewelry design.

You can enroll at IGI’s dynamic School of Gemology to build your career today.

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Graduate Programs Offered by IGI

With a diverse curriculum that covers everything from gem grading to jewelry design, IGI’s Undergraduate Program offers comprehensive training in the world of gems.

Graduate Gemologist Program Graduate Gemologist Program Diamond Graduate Program Diamond Graduate Program Colored Stone Graduate Program Colored Stone Graduate Program Pearl Course Pearl Course

Graduate Gemologist Program

The IGI Graduate Gemologist Program prepares you to lead in the world of gemology. Covering both diamonds and colored stones, the course gives you the skills to confidently identify, grade, and price stones across a wide range of markets.

From rough analysis to finished gemstone evaluation, every session is designed to mirror real-world trade scenarios, so you don’t just learn the craft, you master the business.

What You Will Learn

  • Grade diamonds by the 4Cs, both round and fancy shapes
  • Identify synthetics, imitations, and treatments
  • Assess rough stones and use software for planning
  • Evaluate colored gemstones from rubies and sapphires to tourmalines
  • Use lab tools to determine gemstone origins
  • Understand global pricing and market behavior
Register

Diamond Graduate Program

The IGI Diamond Graduate Program is aligned with the rapidly changing requirements of the diamond industry, providing hands-on learning in grading, identification and evaluation.

You’ll gain technical expertise guided by global standards, learning how to assess quality, detect treatments, and understand market value with precision. Built for professionals, entrepreneurs, and anyone ready to turn their passion into a certified, industry-respected career.

What You Will Learn

  • Master diamond grading across the 4Cs – from rough to polished
  • Identify treatments, synthetics, and simulants with advanced tools
  • Understand origin, pricing, and value assessment of gems
  • Gain practical experience with scanning, planning & software analysis
  • Speak the language of gemology with confidence
Register

Colored Stone Graduate Program

The IGI Colored Stone Graduate Course trains you to identify, grade, and evaluate colored gemstones across species, origins, and treatments.

You’ll learn to assess stones based on color, clarity, cut, and enhancements—guided by international grading standards. With hands-on experience and industry-focused training, this course builds the gemological expertise and practical insight required for today’s global colored stone trade.

What You Will Learn

  • Identify treatments, synthetics, and simulants with advanced tools
  • Evaluate colored stones like Ruby, Sapphire, Emerald & more
  • Understand origin, pricing, and value assessment of gems
  • Gain practical experience with scanning, planning & software analysis
  • Speak the language of gemology with confidence
Register

Pearl Course

The IGI Pearl Course equips you with the knowledge to identify and grade both natural and cultured pearls, across a wide spectrum of types, origins, and treatments. Learn to evaluate pearls based on essential value factors from shape and size to surface, color, luster, and nacre quality.

Guided by global grading standards and industry-relevant insights, you’ll gain a deep understanding of how nature and nuance define value in the pearl market.

What You Will Learn

  • Understand the history, formation, and evolution of natural and cultured pearls
  • Distinguish between pearl varieties based on origin, structure, and appearance
  • Evaluate key value factors like shape, color, luster, surface, and nacre quality
  • Identify common treatments and enhancements in pearls
  • Perform testing techniques for accurate assessment and grading
Register

Upcoming IGI Courses

Shape Your Future in Gemology

City Start Date End Date Hours Course
Ahmedabad 07-Jul 14-Aug 9:30 am to 1:00 pm Diamond Graduate Program, D.G., Ahmedabad, 7-Jul, 2025 (Clone) Enroll
Hyderabad 01-Sep 19-Sep 9:30 am to 5:30 pm Diamond Graduate Program, D.G., Hyderabad, 1-Sep, 2025 Enroll
Ahmedabad 07-Jul 14-Aug 9:30 am to 1:00 pm Diamond Graduate Program, D.G., Ahmedabad, 7-Jul, 2025 Enroll
Mumbai 30-Jun 03-Jul 10:00 am to 4:00 pm Diamond Technical Training Program, Mumbai – MBMG,30-Jun, 2025 Enroll

Possible
Career
Paths

Diamond grader

Gemologist

Diamond
buyer/seller

Diamond
manufacturer

Retailer

Wholesaler

Frequently Asked Questions

To join any course at IGI, applicants must have completed at least their Higher Secondary education (10+2 or equivalent) and be 18 years or older. Since all our programs are taught in English, a working proficiency in the language is also essential for effective learning.

While IGI courses require an active internet connection for Smart Learning, enrolled students can access certain videos and PDFs for ease of reference during the course. However, access to the IGI student portal is limited to the duration of your program.

IGI facilitates industry connections by guiding students toward relevant opportunities. We regularly receive placement inquiries from trusted names in the gem and jewelry industry looking to hire IGI-trained professionals—ranging from diamond graders to gemologists and design consultants. While we do not offer guaranteed placements, our network and support team work actively to help you find the right fit.

On successful completion of your course, you’ll be awarded an internationally recognized IGI certification. You’ll also join our growing IGI Alumni Collective, giving you access to a global community of gemology professionals and networking opportunities.

About IGI

The International Gemological Institute (IGI), a Blackstone portfolio company, operates 31 laboratories and 18 education facilities in major diamond and jewelry centers around the world.

For nearly 50 years, IGI has provided the fine jewelry community and consumers with a broad range of services, including natural and laboratory-grown diamond reports, colored stone grading and origin reports, as well as jewelry identification and appraisal reports.

With the growing presence of lab-grown diamonds in the marketplace, IGI screens millions of both natural and lab-grown diamonds to ensure that the industry and consumers receive the product they expect.
Regardless of location or marketplace, an authentic IGI Laboratory Report serves as the universal language of trust and confidence in the gemological world.