Education | Diamond Cut |
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The diamond cut often refers to two separate characteristics of a loose diamond: (1) its shape, and (2) its make, or style of cutting and quality, which consists of polish and symmetry. Polish and Symmetry A diamond’s shape as well as its polish and symmetry affect the "behavior" of the stone—simply speaking, how it reflects light. In general, a diamond's cut is all about maximizing the optical light effects that determine the ultimate beauty of the diamond: brilliance (amount of light reflected back to viewer), fire (split of light into a rainbow’s colors), and scintillation (glittering of reflected light in the crystal and visibility of dark spots when stone is moved). Polish and symmetry significantly impact all three of these. In the following picture you can see the most critical parts of a diamond and their names. ![]() To ensure that the diamond has the best brilliance and fire, the best option is to stay away from stones with proportions below the ideal standard. Below you can find the explanation for all facets of a diamond and standards below which you should not buy the stone. The information about such standards can be found in the diamond certificate. GIA calls their certificates diamond dossiers or diamond grading reports while AGS calls theirs diamond quality documents or diamond quality reports. |

