Category Archives: History of the 4Cs

History of the 4Cs : color, clarity, cut, and carat weight (Video)

History of the 4Cs - color, clarity, cut, and carat weight

Dive into the storied history behind GIA’s creation of the 4Cs The 4Cs – color, clarity, cut, and carat weight – were created by GIA to describe a diamond’s appearance and define its quality. The term 4Cs we know today had its start in the early 1940s, as the brainchild of GIA founder Robert M. […]

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