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GIA
Gemological Institute of America
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EGL
European Gemological Laboratory
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JBT
Jewelers Board of Trade
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AGS
American Gem Society
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DHC
Diamond High Council
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IGI
International Gemological Institute
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Diamonds: Emerald Cut
Perfect Clarity and Style of the Emerald Cut Diamond
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Diamond Education: Emerald Cut Diamond
The Emerald-Cut diamond is so named because this cut was, originally, used only
on emeralds. It is called a step-cut, which is the cut most commonly used on
square or rectangular diamonds. Due to its larger, open table, this shape
highlights the clarity of a diamond. If you choose an emerald-cut with a lower
clarity grade, such as SI, be sure to review the clarity plot on the diamond
certificate. Also, emerald-cut diamonds can vary greatly in how rectangular they
are. To get a traditional emerald cut the length needs to be more than the
width.
Polish and symmetry are two important aspects of the cut. The polish grade
describes the smoothness of the diamond's facets, and the symmetry grade refers
to alignment of the facets. With poor polish, the surface of a facet can be
dulled, and may create blurred or dulled sparkle. It may constantly look like it
needs to be cleaned. With poor symmetry, light can be misdirected as it enters
and exits the diamond.
Further Diamond Education |
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