A gold karat is a unit of measurement that identifies its purity. 100% gold is soft and malleable and would be impractical as jewelry as it would become distorted and wear quickly. Other metals such as copper, silver, zinc, and nickel are therefore mixed with gold to strengthen it.
What percent is gold and what percent is other metals?
Here is a simple guide to the meaning of 22K, 18K 14K and 10K gold – the most popular gold purity indicators found in fine jewelry.
• 24-karat = pure gold with nothing added
• 22-karat is 91.67 % pure gold and 8.33 % other
• 18-karat yellow gold is made from 75% gold and 25% other
• 14-karat gold is 14/24ths (58.3%) gold and 41.7% other
• 10-karat gold is 10/24ths (41.6%) gold and 58.4% other
The gold bars at Fort Knox are 24 karat gold, the purest gold possible. There is no such thing as 25 or 26 karat gold, so steer clear of anyone who makes such a claim. Most gold jewelry sold today is stamped to indicate the karat value, but often a stamp is illegible or worn away. The Jewelry Judge can test to identify the karat weight of gold as well as platinum and silver.
If in doubt about what you own, why not check it out? – Book an Appointment Today! Identification of gold content and weight is the first step in valuing any jewelry item.
Weighing and testing services provide you with information you can trust before you sell your gold jewelry.
Everyone should know if their gold jewelry is 14k, 18k, 22k or another purity, as well as, its weight in grams or pennyweights. While Houston’s Jewelry Judge does not buy or sell jewelry, we can quickly and accurately weigh your gold before you approach a buyer so you will know approximately what you should receive based upon current market value when you sell. This service is also available for silver and platinum items.