Cut
A gemstone's cut refers to its proportions and symmetry. It is essential in making a gemstone look appealing--the stone should be symmetrical in all dimensions so that it will appear balanced, and so that its facets will reflect light evenly, providing good brilliance. Color should also be taken into account when cutting for optical efficiency. If a stone's color is highly saturated, a shallow cut will allow it to pass more light, while a deeper cut may increase the vividness of a less saturated gem. There is no generally accepted grading system for gemstone cut.
A gemstone's cut refers to its proportions and symmetry. It is essential in making a gemstone look appealing--the stone should be symmetrical in all dimensions so that it will appear balanced, and so that its facets will reflect light evenly, providing good brilliance. Color should also be taken into account when cutting for optical efficiency. If a stone's color is highly saturated, a shallow cut will allow it to pass more light, while a deeper cut may increase the vividness of a less saturated gem. There is no generally accepted grading system for gemstone cut.
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