ENQUIRE NOW
Indian Respondent
Foreign Respondent
Study at GIA
Explore Job Opportunities at GIA
I wish to receive e-mail and SMS communication from GIA
 
GG_icon

GRADUATE GEMOLOGIST PROGRAM

GG-Heart-shape-stones

The most prestigious credential in the industry, the GIA Graduate Gemologist program gives you the comprehensive knowledge of diamonds and colored stones you need to succeed anywhere in the jewelry business. You’ll gain both technical expertise and practical skills to evaluate gemstones by the 4Cs (color, clarity, cut, and carat weight), the International Diamond Grading System™, and the Colored Stone Grading System.

WHAT YOU'LL LEARN

  • Develop in-depth, hands-on experience with the GIA’s International Diamond Grading System™ and the 4Cs (colour, clarity, cut, and carat weight), and learning how they affect diamond value
  • Grade diamonds in the D-to-Z colour range consistently and accurately
  • Learn diamond identification and grading skills
  • Distinguish natural, treated, and synthetic gemstones using the GIA Colored Stone Grading System.
  • Learn the characteristics of coloured stones, with a focus on ruby, sapphire, and emerald
  • Identify characteristics, simulants, and treatments, and when advanced testing is required
  • Study 60 species of gemstones use gemmological equipment (including a 10x loupe, microscope, polariscope, dichroscope, spectroscope) and procedures to grade and identify hundreds of gemstones
  • Translate technical knowledge into valuable information for effective sales and excellent service

POSSIBLE CAREER PATHS

  • Diamond Manufacturers
  • Jewellery Manufacturers
  • Loose Diamond / Coloured Stone Buyers and Sellers
  • Jewellery Retailers and Wholesalers
  • Lab and Research Professionals
  • Any individual aspiring for a career in gems and jewellery industry

TOPICS COVERED

Here are some of the topics covered in the Graduate Gemologist Diploma Program.

DIAMONDS AND DIAMOND GRADING

Judge and grade diamonds by the 4Cs and color.
COLORED STONES & COLORED STONE GRADING
Learn the characteristics of colored stones, with a focus on ruby, sapphire, and emerald.
GEM
IDENTIFICATION

Identify more than 60 species of gemstones, distinguish natural gems from synthetics, and detect gem treatments.
EQUIPMENT & INSTRUMENTATION

Learn diamond identification and grading skills GIA graders use.
TREATMENTS, SYNTHETICS & IMITATIONS

Identify diamonds that have been treated or are imitations.
MARKETS & SUPPLY CHAINS

Understand how market factors and the supply chain affect value.

ALUMNI SPEAK

ABOUT GIA

Established in 1931, GIA protects the public through gemmological research, education, impartial gem identification and grading services, and instrument development. The world’s foremost authority in gemmology and creator of the 4Cs, GIA sets the standard for determining the quality of diamonds and performs research-based identification of coloured gems and pearls. All of GIA's activities are governed by its mission to serve the public. Learn more.

CAMPUS TOUR

slider imageslider imageslider imageslider imageslider imageslider imageslider imageslider imageslider image

COURSE CALENDAR