CHART A
Comparison of
Current U.S. and International Karat Gold Standards
|
|
Legal Minimum |
Grades
in Commercial Use |
Legal
Tolerance for all Karat
Gold Alloys |
Tolerances for
Gold |
||||||||||||||
|
Country |
Karat Marking |
8
K .333 |
9
K .375 |
10
K .417 |
12
K .500 |
14
K .583 |
18
K .750 |
20
K .833 |
20+K - |
.000 |
.001 |
.002 |
.003 |
.004 |
.005 |
.010 |
Soldered Articles |
|
Austria |
14K |
|
|
|
|
X |
X |
|
X |
|
|
|
|
|
X |
|
.005 |
|
|
Belgium |
|
|
|
|
|
X |
X |
|
|
|
|
|
X |
|
|
|
.003 |
|
|
Canada |
9
K |
|
X |
X |
|
X |
X |
|
X |
|
|
|
X |
|
|
|
.007 |
|
|
Czechoslovakia |
|
|
|
|
|
X |
X |
|
X |
|
|
|
|
|
X |
|
.005 |
|
|
Denmark |
14
K |
|
|
|
|
X |
X |
|
|
X |
|
|
|
|
|
|
.000 |
|
|
Finland |
|
|
|
|
|
X |
X |
|
|
X |
|
|
|
|
|
|
.000 |
|
|
France |
|
|
|
|
|
|
X |
|
X |
|
|
|
X |
|
|
|
.003 |
|
|
Great
Britain |
9K |
|
X |
|
|
X |
X |
|
X |
X |
|
|
|
|
|
|
.000 |
|
|
Holland |
|
|
|
|
|
X |
X |
|
|
|
|
|
X |
|
|
|
.003 |
|
|
Hungary |
|
|
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