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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: Round Cut
The Round Cut or Brilliant Cut Diamond
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Diamond Education: The Round or Brilliant Cut Diamond
The Round or Brilliant cut diamond is the most popular cut of diamonds. The
reason that the round shaped diamond has become so popular is because the round
brilliant cut diamond offers the best fire and brilliance of the diamond. Marcel
Tolkwsky originally developed the round cut in 1919. The modern round cut has 58
facets, cut into two pyramids base to base, which cut correctly show the
brilliance and light dispersion, the fire, or the sparkle, that everyone looks
for in a diamond.
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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