Diamond 4Cs: Color

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A diamond’s color appearance is caused by chemicals present in the earth where the diamond formed. Diamonds with slight yellow or brown tint are graded on the normal scale. Other colors and stronger yellow or brown are fancy-colored diamonds, graded on a different scale. This eLearning course teaches core gemological education while emphasizing information buyers and sellers find most relevant at point of sale.



Diamond 4Cs: Color | Course 102

This eLearning course provides important information about how the normal color grading scale and the process of color grading, how fancy colored diamonds are evaluated and graded, the impact of color-related components on diamond value and the assessment of mounted diamonds.

Learn with IGI

IGI grades more diamonds, gemstones, and jewelry in more locations around the world than any other gemological organization. IGI is the world’s first institute to hold ISO Accreditation in both natural and lab grown diamond grading and the only worldwide institute protecting consumers by grading finished diamond jewelry, as well as loose gemstones.

Diamond 4Cs: Color | Course 102



Companion Courses: Diamond Program*

  • 4Cs: Carat Weight
  • 4Cs: Clarity
  • 4Cs: Cut
  • The Natural Diamond Story
  • Lab Grown Diamonds

*Pass all six Diamond Program courses to receive an IGI Certificate of Completion

Diamond 4Cs: Color | Course 102

  1. The normal color grading scale
  2. The color grading process
  3. Fancy Colored Diamonds
  4. Color and diamond value
  5. Color and mounted diamonds