Cut
Cut
is considered by many to be the most important "C". Only when
precisely calculated planes and angles are used, does the stone
achieve its greatest possible beauty.
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Carat
The
term carat is a measure of weight. The cut of a diamond can make
it appear larger or smaller than its actual weight. As the weight
of a diamond increases, so does its per carat cost. It is for
this reason that a 1-carat diamond may cost 5 times more than
a half-carat diamond.
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Clarity
Clarity
is a term used to describe the absence or presence of flaws (blemishes
or inclusions) inside or on the surface of a diamond. Inclusions
(inside the diamond) may include crystals, fractures, clouds,
and cavities. Surface blemishes may include scratches, nicks,
pits, abraded facet edges, extra facets and naturals.
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Color
The
GIA (Gemological Institute of America) has established an industry-accepted
color grading system that rates diamonds with alphabetical letters.
D (no color) is the most expensive "color" and N through Z (very
light to light yellow), the least expensive. Diamonds that are
graded from D through J are best suited for jewelry because they
look colorless or nearly colorless.
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