Build Real Gemological Skills for the Gem and Jewellery Industry.
Learn diamonds and colored gemstones through globally aligned course content, industry expert faculty, professional facilities, real stones and a balanced mix of theory and practical training.
Choose the course that matches the expertise you want to build.
Both courses are designed to provide a strong foundation, practical exposure and industry relevant knowledge.
4Cs of Diamonds
Understand how diamond quality is evaluated through the 4Cs and learn the fundamentals that support professional diamond grading and communication.
- Diamond formation, mining, sourcing and cutting
- Detailed understanding of Cut, Color, Clarity and Carat
- Natural and laboratory grown diamonds
- Diamond simulants and treatments
- Diamond pricing and market terminology
- Understanding certification and grading reports
- Practical diamond grading
- Laboratory exposure and examination
Colored Gemstone Identification
Learn the fundamentals of gemstone identification through observation, gemological properties, professional instruments and practical testing.
- Gemological fundamentals
- Gemstone classification and properties
- Use of professional gemstone identification instruments
- Identification and study of Navratna gemstones
- Understanding gemstone simulants
- Gemstones and astrology concepts
- Practical gemstone identification
- Certificate of completion
Designed for anyone looking to build practical gem and jewellery knowledge.
Whether you are already part of the industry or planning to enter it, these courses can help you build a stronger technical foundation in diamonds and colored gemstones.
Strengthen product knowledge, buying decisions and customer communication.
Build practical gemological knowledge relevant to retail, sourcing, quality and operations.
Develop an industry focused foundation before starting a career in gems and jewellery.
Understand the materials behind jewellery products and make more informed product decisions.
Turn personal interest into structured knowledge through theory and practical learning.
Build essential product understanding before entering the diamond, gemstone or jewellery business.
Why Learn with IDT
IDT combines over two decades of gemological expertise with practical, industry focused education. Students learn through globally aligned concepts, experienced faculty, professional facilities and hands on exposure to real diamonds and gemstones.
Learn with an organisation trusted by jewellers and consumers for over two decades.
Course content is structured around professional gemological concepts and international industry practices.
Learn from professionals who understand laboratory work and real gem and jewellery industry applications.
Gain practical exposure to professional gemological instruments in a laboratory style learning environment.
Work with actual stones during practical sessions to build visual familiarity and confidence.
Understand the concepts in class and then apply them through structured hands on exercises.
Develop technical knowledge relevant to retail, sourcing, quality control, laboratory and jewellery business roles.
Receive an IDT certificate after successfully completing the applicable course requirements.
Build knowledge that can support multiple roles across the industry.
Gemological knowledge can strengthen your foundation for careers in laboratories, retail, buying, sourcing, merchandising, quality control and jewellery businesses.
Support observation, documentation, stone handling and laboratory workflows.
Build a foundation for diamond evaluation and product quality roles.
Explain diamond and gemstone characteristics with greater confidence.
Use product knowledge to support informed buying and supplier discussions.
Apply gem knowledge to assortment planning and product communication.
Support product checks across manufacturing, sourcing and retail teams.
Strengthen product knowledge for better business and customer decisions.
Use the courses as a practical foundation for more specialised learning.
Career outcomes depend on the role, employer, experience and any additional qualifications required. Course completion does not guarantee employment or placement.
Ready to learn with IDT?
Share your details and the IDT education team can contact you with the latest course dates, batch locations, fees and enrollment information.
- Choose the course you are interested in
- Tell us your city or preferred course location
- Receive the latest batch and enrollment information
The gem and jewellery industry is becoming more knowledge driven.
Today’s market includes natural diamonds, laboratory grown diamonds, treatments, simulants and a wide range of colored gemstones. Professionals who understand these differences are better equipped to work in a more informed and transparent industry.
Learning experiences from IDT students and jewellery professionals.
Hear how practical gemological education has helped jewellery professionals strengthen their diamond and gemstone knowledge.
“The course gave me a much clearer understanding of how diamond quality is evaluated. The practical sessions on the 4Cs were especially useful because I could connect the grading concepts directly with real diamonds.”
“The practical part of the course was very useful. Seeing different gemstones closely and learning how to identify their characteristics made the concepts much easier to understand and apply in our jewellery business.”
“The training was practical and relevant to the kind of work we do every day. It helped me understand diamonds and gemstones in a more systematic way and gave me greater confidence while discussing jewellery with customers.”
Please confirm the final testimonial wording and course details with each participant before publishing.
Before you enroll.
Do I need prior gemology experience?
No prior professional gemology experience is required for learners starting with the fundamentals. The IDT team can guide you based on your background.
Are the courses theory based or practical?
Both. The courses combine structured theory with practical observation, real stones and relevant gemological instruments.
Will I work with real diamonds and gemstones?
The learning approach includes practical exposure to real stones and specimens so students can connect classroom concepts with actual observation.
Will I receive a certificate?
Participants receive an IDT certificate of completion after successfully meeting the course requirements.
How do I get the latest batch dates and fees?
Submit the enquiry form above. The IDT team can share the latest batch, fee, location and enrollment details.
