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Round brilliant

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ROUND BRILLIANT FACET DIAGRAM
ROUND BRILLIANT DIAMOND
ROUND BRILLIANT FACET DIAGRAM ROUND BRILLIANT DIAMOND

Ak je diamant osadený v šperku, na výpočet približnej váhy jeho karátu sa používa nasledovný vzorec (Všetky rozmery sa uvádzajú v milimetroch.): najväčší priemer x najmenší priemer x hĺbka x .0061 = váha karátu

ROUND BRILLIANT CUT QUALITY
CUT CLASSES
1A
1B
2A
2B
American Ideal Cut
International fine trade cut
Table %
53-58%
52-60%
51.5-63%
51-64%
Crown angle°
34.0-34.7
33-35.1
32.1-35.8 31.6-36.4
Crown height % 14-16.3% 13.5-16.8% 11.6-17.9%
11.1-18.1%
Pavilion Depth % 42.8-43.2%
42.5-43.5%
42-44% 41.5-44.9%
Girdle thickness
Word descriptions and percentages.
Thin to Medium (1.0% to 3.0%)
Medium to Slightly thick (1.7% to 4.5%)
Very thin to Slightly thick (0.4% to 4.5%)
Thin to Slightly thick (1.0% to 4.5%)
Very thin to Slightly thick (0.4% to 4.5%)
Very thin to Thick (0.4% to 5.5%)
Total Depth %
Determined by
factors already
considered above
58-62.3%
58.3-62.99%
<58.3%
>63%
Polish/Symmetry
Not a primary determining factor.
Excellent -Very Good
Excellent to Good
 

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 : 481755

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