International Gold Markings on Jewelry
Gold is a precious metal that has been used in jewelry for centuries. To ensure the quality and purity of gold jewelry, international markings are used to indicate the gold content. These markings are typically found on the inside of a piece of jewelry or on the clasp.
The most common international gold marking is the karat system. Karats measure the purity of gold, with 24 karats being pure gold. Gold jewelry is typically marked with a karat number, such as 10K, 14K, or 18K. This number indicates the percentage of pure gold in the alloy. For example, 18K gold is 75% pure gold, while 14K gold is 58.3% pure gold.
In addition to the karat system, there are other international gold markings that are used to indicate the purity of gold. These markings include:
* Fine gold: This term is used to describe gold that is at least 99.9% pure.
* Sterling silver: This term is used to describe silver that is at least 92.5% pure.
* Gold vermeil: This term is used to describe jewelry that is made of sterling silver that has been plated with gold.
* Gold-filled: This term is used to describe jewelry that is made of a base metal that has been coated with a layer of gold.
When purchasing gold jewelry, it is important to look for the international gold marking to ensure that you are getting the quality of gold that you are paying for. The karat number or other marking will indicate the purity of the gold and help you to make an informed decision about your purchase.
Here is a table that summarizes the most common international gold markings:
| Mark | Purity |
|—|—|
| 24K | 99.9% pure gold |
| 18K | 75% pure gold |
| 14K | 58.3% pure gold |
| 10K | 41.7% pure gold |
| Fine gold | 99.9% pure gold |
| Sterling silver | 92.5% pure silver |
| Gold vermeil | Sterling silver plated with gold |
| Gold-filled | Base metal coated with gold |
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