Understanding Diamonds - Smythe & Cross- Los Altos Fine Jewelry, Custom Design and Repair
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Understanding Diamonds
Resources
The 4 Cs of Diamonds
(Source: Gemological Institute of America)
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.
