karat
1 of 1noun/ˈkɛrət/
Forms:karats
1
a unit to measure the purity of gold, the purest gold being 24 karats
C2Learn more on WikipediaA karat is a unit of measurement used to denote the purity of gold, with one karat being equal to 1/24th of the whole. Therefore, 24-karat gold is considered to be pure gold. The higher the karat number, the higher the percentage of gold in the item. For example, 18-karat gold contains 75% gold, while 14-karat gold contains 58.3% gold. Karat is also used as a term to describe the weight of gemstones, with one karat equal to 0.2 grams. The term "carat" is sometimes used interchangeably with "karat," but carat is generally used to describe the weight of diamonds and other gemstones, while karat is used to describe the purity of gold.
- The jeweler confirmed that the necklace was made of 18 karat gold, which is 75% pure gold mixed with other metals for added strength.
- Heirloom pieces often contain 22 karat gold, which has a higher purity level and a richer yellow hue compared to lower karat values.
- When purchasing a wedding band, they decided on a 14 karat gold ring, finding it more durable for everyday wear due to its alloy composition.
- The antique coin collector was thrilled to acquire a rare 24 karat gold coin, valued for its 100% gold purity.
- The appraisal for the vintage watch noted that its case was crafted from 10 karat gold, indicating a gold content of just over 40%.