4Cs, Color and Inclusions

7 lessons. Practice is anonymous and stateless: results are returned for the current check and are not stored as learner history.

1. The 4Cs as a Language, Not a FormulaHIGH
2. Carat, Dimensions, and Face-Up SizeLOW
3. D–Z Color and FluorescenceLOW
4. Clarity, Clarity Characteristics, and Grading UncertaintyLOW
5. Why Diamonds Have Color and How Fancy Color Is GradedHIGH
6. Fancy-Color Systems: From Yellow to BlackHIGH
7. Inclusions, Defects, and What They Can ProveMEDIUM