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As there is no generally accepted grading system to define a gemstone's cut, colored gemstones will usually have a table, crown, girdle, pavilion and culet and its cut refers to the proportions and symmetry of the stone. The goal for a gemstone's cut is unlike that of a diamond where the ideal cut maximizes brilliance. For gems, a high quality cut will expose the fewest inclusions and presents the most even color. A well-cut gemstone is symmetrical in all dimensions and reflects light evenly across the surface and provides good brilliance. A gemstone's saturation will also help to determine how it should be cut. A gem with a more saturated color can allow for a shallow cut to permit more light to penetrate while a less saturated gem can use a deeper cut to increase its vividness. |
