Table Size %
Table length relative to diameter of diamond
Angle between bezel facets and girdle
Ranges from extremely thin to extremely thick (assessed visually)
Depth of diamond relative to diameter of diamond
Ranges from pointed to extremely large (assessed visually)
Refers to alignment of the facets, graded poor to excellent
Smoothness of facets, graded poor to excellent
Cut refers to the angles and proportion of a diamond. Well-cut diamonds can reflect light like a mirror from one facet to another, and disperse and reflect this light through the top of the stone. A well-cut diamond will be symmetrically round with a proper depth and width, and have uniformity of the facets. These features will result in a brilliant and fiery radiance. Diamonds that are cut either too deep or too shallow can lose or leak light through the sides and bottom, and will be less brilliant—and ultimately of less value.
Frequently, some diamond cutters will compromise on the cut of the diamond in an attempt to optimize a diamond’s weight (carat). This can result is a larger diamond with a duller appearance. If all other things are equal (Carat, Color, Clarity), there can be a great variation in the cost of a diamond if the cut is of poor quality.
Cut can also refer to the Shape of a diamond.
The following characteristics of a diamond cut are important to consider when purchasing a diamond.
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