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When
buying a diamond you must be familiar with
the four C's:
Cut, Color, Clarity
and Carat.
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THE
IDEAL CUT
When a round, brilliant diamond has been
cut to "Ideal" proportions by
a master cutter, it has a splendor to behold.
The
Ideal Cut Diamond describes a round brilliant
diamond that has been cut to exact mathematically
proven proportions. Its symmetry, with
58 exactly placed facets, produce the ultimate
in lustre and beauty.
When a diamond is cut to ideal proportions,
all of the light entering from any direction
is totally reflected through the top and
is dispersed into a display of sparking
flashes and rainbow colors.
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THE
PREMIUM CUT
A Premium Cut diamond demonstrates subtle
variations from the Ideal Cut. Although dimensional
differences affect a diamond's reflection
of light, a Premium Cut still achieve a harmonius
balance between its proportions and the display
of brilliance. |
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THE INFERIOR CUT
Most Diamonds are "spread in their cutting to retain maximum weight from the orginal
rough. A heavier diamond will result, but at a dramatic sacrifice of potential fire
and brilliance. |
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Preferred Proportions Round Diamonds
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Ideal Proportions |
Acceptable |
| Depth Percentage: |
60.2% - 62.7% |
57.0% - 64.0% |
| Table Percentage: |
53% - 57.0% |
53.0% - 64.0% |
| Polish: |
Very Good to excellent |
Good to Very Good |
| Symmetry: |
Very Good to excellent |
Good to Very Good |
| Girdle: |
Thin to medium |
Thin to Thick |
| Culet: |
None to very small |
None to medium |
Preferred Proportions for Oval, Pear, Marquise, and Heart-Shaped Diamonds
| Depth Percentage: |
58.9% - 65.4% |
| Table Percentage: |
53% - 64% |
| Polish: |
Good to excellent |
| Symmetry: |
Good to excellent |
| Girdle: |
Thin to thick |
Preferred Proportions for Emerald and Radiant Cut Diamonds
| Depth Percentage: |
59.9% - 69.0% |
| Table Percentage: |
59% - 69% |
| Polish: |
Good to excellent |
| Symmetry: |
Good to excellent |
| Girdle: |
Thin to thick |
Preferred Proportions for Princess Cut Diamonds
| Depth Percentage: |
64.0% - 75.0% |
| Table Percentage: |
59% - 72% |
| Polish: |
Good to excellent |
| Symmetry: |
Good to excellent |
| Girdle: |
Thin to thick |
Next >
Color,
Clarity, Carat
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