The most important of the 4Cs is cut because it has the greatest influence on a diamond's sparkle.

Learn about Diamonds.

The 4Cs of Diamonds >

There are the 4Cs of Diamonds - cut, color, clarity, and carat weight - the most important characteristics to understand when making a diamond purchase.


The second most important of the 4Cs is color, which refers to a diamond's lack of color. The less color, the higher the grade.


Often the least important of the 4Cs because the tiny imperfections are often microscopic.


The term carat actually refers to the diamond's total weight and not its size.

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