4Cs Interactive Tool

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The 4 Cs of Diamond Grade

Because diamonds are so valuable, it’s essential to have a universal grading system for comparing their quality. In the 1940s and ’50s, GIA developed the 4Cs and the GIA International Diamond Grading System™ to objectively compare and evaluate diamonds. (www.gia.edu)

Which 4Cs would you like to learn more about?

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Video: How to choose a diamond
a tour of the 4Cs and the GIA laboratory 

This GIA's 4Cs video is an informative video that designed to briefly explain all the 4Cs of diamonds as well as a tour of the GIA diamond-grading process. 

Video and Pictures Courtesy of GIA.

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