Education

Short-Term Courses

Fast-track your gemological knowledge with IDT’s focused certificate programs. Designed for aspiring professionals, retail teams, and gemstone enthusiasts seeking practical, industry-ready skills.

1
Certificate Course in Colored Gemstone Identification (Navratna)
Course Overview
  • Introduction to basic terms used in gemology
  • Using various standard gemological equipment to identify gemstones
  • Know the history, myths, and cultural significance of the Navratnas
  • Understand gem classification, sources, and value adding factors
  • Understand the optical, physical, and chemical properties
  • Learn about the simulants of Navratna gemstone
  • Connect gemology with astrology
Highlights
  • Vast inventory of Navratna gemstones
  • Gain hands-on experience with standard gemstone testing equipment and gemstone specimens
  • Gemstone identification lab sessions using refractometer, microscope, dichroscope, etc.
  • IDT Certificate of Completion
Why This Course? / Career Options
  • Build a strong foundation for gemology course or jewelry professional specializing in gemstones
  • Customer handling confidently using correct technical terminology of gemstones
  • Interpret and explain certification reports effectively
  • Become retail jewelry advisor or merchandiser with gemstone expertise
  • Start your journey as a gemstone enthusiast seeking deeper insight
2
Certificate Course in 4Cs of Diamonds
Course Overview
  • Hands-on grading with polished diamonds
  • 4Cs: Carat weight, Color, Clarity and Cut
  • Practical diamond grading on the basis of international parameters
  • Identification of simulants
  • Key certification & pricing principles relevant to the trade
Highlights
  • Hands-on grading practice with natural diamonds and simulants
  • Understanding & application of the international parameters of 4Cs
  • Understanding certification reports and how to interpret them
  • IDT Certificate of Completion
Why This Course? / Career Options
  • Customer handling confidently using correct technical terminology
  • Interpret and explain grading & certification reports effectively
  • Support jewelry retail sales with credible product knowledge & terms
  • Assist in basic grading and quality control functions
  • Build a strong foundation to progress into advanced diamond grading or gemology programs
3
Diamond Assortment
Course Overview
  • Sorting of diamonds for Clarity, Color, Carat weight and Cut
Highlights
  • Practical hands-on training using Tripod
  • Working with an extensive inventory of all sizes of diamonds
  • IDT Certificate of Completion
Why This Course? / Career Options
  • Diamond Sorter
4
Skilled Jewellery Professional Diploma
Course Overview
  • Types of jewellery
  • Different metals used in jewellery
  • Different settings and metal texture
  • Understanding diamond, gemstone and jewellery certification reports
  • Understanding of 4Cs of Diamonds
  • Understanding of identification of gemstones (Navratna) and their astrological significance
Highlights
  • Practical hands-on training in diamond, gemstone and jewellery holding
  • Learning basics of diamond 4Cs and gemstone identification
  • IDT Certificate of Completion
Why This Course? / Career Options
  • Handle customer queries more effectively
  • Understand consumer psychology and their body language
  • Know shifting trends in the jewellery industry