Study Diamonds at GIA

Diploma Program

Graduate Diamonds Diploma Program

This diploma program explores the GIA diamond grading methods to assess the 4Cs of Diamond Quality – Color, Clarity, Cut and Carat weight – and how they affect diamond value. Students use professional diamond grading equipment for the purposes of examining a diamond’s quality characteristics to grade and identify diamonds. Coursework also includes creating plotting diagrams; determining fluorescence; and detecting treated diamonds, laboratory-grown diamonds and diamond simulants. Other topics covered include the effect of fluorescence on diamond body color; the role cut plays in the marketplace; and important sectors of the diamond industry, including dealers, cutters and manufacturers.

How to Earn: Full-Time On Campus or Distance Education

Duration: 7 instructional weeks

What You Earn: Graduate Diamonds Diploma

Ideal For: Industry professionals and individuals who want a career in the diamond industry, including the skills and knowledge to grade diamonds. Completing the Graduate Diamonds program is required to earn the GIA Graduate Gemologist diploma.

Full-Time Program

Diamond Essentials

A comprehensive, multi-week, on-campus program covering the technical expertise needed to grade, buy, and sell diamonds.

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Diamonds & Diamond Grading

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The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text. 

Key topics include: 

  • The influence of color, clarity, cut and carat on diamond value
  • Determining proportions and estimating weight
  • Diamond treatments, simulants, and laboratory-grown diamonds
  • Fluorescence and its effect on body color
  • The role cut plays in the marketplace, including fancy cuts
  • The technical knowledge needed to make effective buying and selling decisions

The course also covers:

  • GIA Diamond Grading Reports — how to read and explain them
  • Segments of the diamond industry beyond retail — dealing, cutting, manufacturing
  • Diamond formation and key properties
  • Special challenges of grading mounted diamonds and grading estimation techniques

The final exam is online, closed book and proctored; see the Education Catalog for details.

Try a complementary lesson for this course

View the Online Education Credential Requirements Chart

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