International Gold Karat Meaning
The karat is a unit of measurement used to indicate the purity of gold. It represents the parts of pure gold per 24 parts of total metal content. Hence, 24 karat gold is the purest form of gold, while 12 karat gold contains 12 parts pure gold and 12 parts other metals or alloys.
Understanding Karatage
Globally, there are two recognized standards for measuring gold karatage:
* Fine Karat: This method measures the purity of gold in parts per 1,000. Fine gold is 1,000 parts pure gold, while 583 karat gold contains 583 parts pure gold and 417 parts other metals.
* Millesimal Karat: This method measures the purity of gold in parts per 1,000. It is used interchangeably with fine karat.
Conversion Between Karat Standards
To convert from fine karat to millesimal karat, multiply the fine karat by 10. Conversely, to convert from millesimal karat to fine karat, divide the millesimal karat by 10.
Common Karat Standards
The following are common karat standards used internationally:
* 24 Karat (Fine Gold): 99.9% pure gold
* 22 Karat: 91.67% pure gold
* 18 Karat: 75% pure gold
* 14 Karat: 58.33% pure gold
* 10 Karat: 41.67% pure gold
Alloy Metals
The primary alloy metals used in gold jewelry include:
* Copper
* Silver
* Zinc
* Nickel
* Palladium
Alloying gold with other metals alter its properties, such as:
* Hardness
* Durability
* Color
K Gold Hallmarks
Gold jewelry often bears hallmarks indicating the karatage. These hallmarks are typically found on the clasp or other hidden area. Common hallmarks include:
* 24K or 999
* 22K or 916
* 18K or 750
* 14K or 585
* 10K or 417
Understanding international gold karat standards is essential for determining the purity and value of gold jewelry. It allows for informed decision-making when purchasing or selling gold, ensuring fair pricing and quality control.
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