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4 C'S
Cut -
Clarity
- Color -
Carat |
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Diamond Cut:
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The most important fact in the 4 C's, is the source of
Brilliance and Fire. |
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Cut means
The proportions and finish of a polished diamond. Cut affects
both the weight yield from rough and the optical efficiency of
the polished stone; the more successful the cutter is in
balancing these considerations, the more valuable the stone will
be.A Diamond with a proportion of good cut allowed the light to go
through the
table reaches the facets
and reflect so well back evenly in the
face up position, with no dark areas, all the facets are exactly
where they should be and polished until they gleam. Ideal cut is
all about having the right proportions, precise symmetry, and a
fine polish. |
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Shallow Cut Diamond
leaks the light out of the bottom. Brilliance is
lost and the diamond appears glassy.
A
very shallow cut stone will seem dark as the light
exits the back of the stone, the angles not
reflecting the light back up through the top of the
stone to your eye.
The Light in Deep Cut Diamond escapes from the
bottom causing the diamond to appear dull and
lifeless. Looking Through a Deep Stone you'll notice
a black reflection in the center of the table. |
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Diameter
The width of the diamond as measured through
the girdle.
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Table
Size
This is the large, flat top facet of a
diamond.
The largest facet which
sits on top of a diamond. This is where most
of the light enters and exits a diamond.
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Crown Height
The part of the diamond
that is above the girdle. The crown height
expressed as a percentage of the average
girdle diameter.
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Girdle
The narrow rim
& the outer edge of a
diamond which forms a band around the stone
that separates the crown from the pavilion.
The girdle can be faceted, polished or
unpolished
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Pavilion
The lower portion of the diamond, below the
girdle.
The height of the
pavilion greatly contributes to the
diamond's overall brilliance.
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Culet
The smallest facet at
the bottom of the diamond
on the pointed bottom of the pavilion, which
is the portion of a cut gem below the
girdle.
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Depth
The distance between the
table and the culet as measured in
millimeters. The depth of the diamond
divided by the average width. The total
depth percentage is a very important element
of a diamond's proportions and it is greatly
responsible for the amount of brilliance
that a diamond will display..
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