Princess

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PRINCESS DIAMOND FACET DIAGRAM
RECTANGULAR PRINCESS FACET DIAGRAM<
PRINCESS DIAMOND
PRINCESS DIAMOND FACET DIAGRAM RECTANGULAR PRINCESS FACET DIAGRAM PRINCESS DIAMOND

CUT GRADE DETERMINANTS FOR PRINCESS CUT DIAMONDS
CUT CLASSES
1A
1B
2A
2B
3A
3B
4A
4B
Ideal
Premium
International fine trade
US domestic average
below average
Table %
62%-68%
60%-72%
59%-74%
58%-78%
56%-82%
53%-85%
50%-88%
>88%
<50%
Crown Height %
10-15%
8.5-16%
8-16.9%
6-18%
5-19%
4-19.9%
3-20.9%
<3%
>21%
Girdle thickness
Word descriptions and percentages.
Very Thin to Slightly Thick
(0.4%-4.5%) or
Thin to Thick (1.0%-5.5%)
Very Thin
to Thick
(0.4-5.5%)
Very Thin to
Very Thick
(0.4%-7%)
Extremely thin to
Extremely thick
(0% to > 7%)
Total Depth %
64%-75% 58%-80%
57%-83%
56%-84%
53%-85%
>85%
<53%
Polish/Symmetry
Not a primary determining factor.
Excellent to Good
Good or Fair
Poor to Fair
Square range
Length/Width ratios
Preferences only
0.95-1.05
Rectangular range
Length/Width ratios
Preferences only
1.5-1.75
1.49-1.06
1.76-1.99
> Class 3
< Class 3
 

Rýchly Kontakt

Ing. Anton SCHWARTZ - STAFIN s.r.o.
Bratislava, Žilina, Košice
Slovenská republika
tel. +421 907 996 790
e-mail : schwartz@schwartz.sk

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Počet zobrazení obsahu : 481732

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