Cushion

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CUSHION BRILLIANT
CUSHION BRILLIANT
CUSHION BRILLIANT
CUSHION BRILLIANT CUSHION BRILLIANT CUSHION BRILLIANT

MODIFIED CUSHION BRILLIANT
MODIFIED CUSHION BRILLIANT
VIVID YELLOW MODIFIED CUSHION BRILLIANT
MODIFIED CUSHION BRILLIANT MODIFIED CUSHION BRILLIANT VIVID YELLOW MODIFIED CUSHION BRILLIANT

CUT GRADE DETERMINANTS FOR CUSHION CUT DIAMONDS
CUT CLASSES
1A
1B
2A
2B
3A
3B
Ideal
Premium
International fine trade
US domestic average
Table %
60-65.5%
59-68%
58-69.5%
57-72%
56-74%
53-76.%
Crown Height %
12-15.%
11-16%
10-16.5%
9-17.2%
8-18.0%
7-19.5%
Girdle thickness
Word descriptions and percentages.
V. Thin to Sl. Thick
(0.4%-4.5%) or
Thin to Thick (1%-5.5%)
V.Thin to Thick(0.4%-5.5%)
Very Thin to Very Thick
(0.4% to 7.0%)
Total Depth %
60-65%
58-69%
57-74%
56-78%
Polish/Symmetry
Not a primary determining factor.
Excellent to Good
Good or Fair
Square range
Length : Width ratios
Preferences only
0.95-1.05
 

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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