Diamond Cut

Diamond CutCut is the only one of the 4Cs (cut, clarity, carat, color) influenced by the human hand. The rest – color, clarity, carat - are created naturally as diamonds form in the earth.

Diamond cut refers to the angles and proportions a skilled craftsman creates in transforming a rough diamond into a polished diamond. Based on scientific formulas, a well-cut diamond will internally reflect light from one mirror-like facet to another and disperse and reflect it through the top of the stone. This results in a display of brilliance and fire. Diamonds that are cut too deep or too shallow lose or leak light through the side or bottom, resulting in less brilliance and ultimately, value.

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Cut also refers to the shape of a diamond. Seven diamond cut styles can be found on the market: Round, Marquise, Emerald, Princess, Pear, Oval and Heart. Side-stone options include Baguette and Trillion cutting styles. A round diamond is symmetrical and capable of reflecting nearly all the light that enters, thus labeling it the most brilliant of all diamond shapes. Non-round shapes, also known as “fancy shapes”, follow different proportion guidelines to be considered well-cut.  Diamond cuts and cutting styles work in harmony to create a diamond’s brilliance.

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