Diamonds & Diamond Grading

GEM 230

Course Description

This course covers the skills needed to grade the color, clarity and cut of diamonds. Subjects explored include determining proportions and estimate weight; the fundamentals of diamond treatments, simulants, and laboratory-grown diamonds; and the effect of fluorescence on diamond body color. Other topics discussed include the role cut plays in the marketplace; the technical knowledge needed to make effective buying and selling decisions; and other segments of the diamond industry – dealing, cutting, manufacturing. The final exam is online, closed book and proctored; see the Education Catalog for details.


  • Diamonds & Diamond Grading Certificate