Heart

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HEART BRILLIANT FACET DIAGRAM
HEART BRILLIANT CUT DIAMOND
INTENSE PINK HEART DIAMOND
HEART BRILLIANT FACET DIAGRAM HEART BRILLIANT CUT DIAMOND INTENSE PINK HEART DIAMOND

Ak je diamant osadený v šperku, na výpočet približnej váhy jeho karátu sa používa nasledovný vzorec (Všetky rozmery sa uvádzajú v milimetroch.):
HEART: dĺžka x šírka x hĺbka x 2,417 x .0059 = váha karátu
TRIANGLE: dĺžka x šírka x hĺbka x 2,417 x ,0057 = váha karátu

CUT GRADE DETERMINANTS FOR HEART CUT DIAMONDS
CUT CLASSES
1A
1B
2A
2B
3A
3B
4A
4B
Ideal
Premium
International fine trade
US domestic average
below average
Table %
55-60%
53-61.5%
52-62%
51-64%
51-67%
49-70%
48-72%
>72%
<48%
Crown Height %
12-15%
11.5-16%
11-16.6%
10.1-17.5%
9-18%
8.3-18.9%
7.8-19.5%
<7.8%
>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%)
Extremely thin to
Extremely thick
(0.0% to >7.0%)
Total Depth %
59.0-63.0%
63.1-65.4%
56-68.5%
46-71%
43-73%
>73%
< 43%
Length:Width Ratios
Trade preferences.
A matter of personal taste and choice.
Heart 0.98-1.02
1.24-0.91
> Class 3
< Class 3
Polish/Symmetry
Not a primary determining factor.
Excellent to Good
Good or Fair
Poor to Fair
 

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 : 481742

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