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- EGL
The Four C's
The four Cs are the four characteristics traditionally used to determine the quality and value of a diamond carat, cut, clarity, and color. The characteristics of a diamond are graded and categorized by the diamond industry to establish its retail value. Quality diamonds are often graded by a qualified expert and carry a certificate of authentication. This is typically through a third-party lab such as GIA, EGL or AGS. 1) "Cut" A diamond's cut; it's shape and facets- is what makes it sparkle. The more faceted the cut, the grater the sparkle. The most famous shape and cut, according to the...