Jewelry which was manufactured in Europe, might be marked with numbers that represent the gold content, such as 585 for 14k gold, and 750 for 18k gold. If the ring is stamped with one of these alloy marks and is white in color, then it is probably white gold, and if it’s yellow in color it is yellow gold.

What number is stamped on white gold?

The karat number is usually followed by letters such as K or KT. For example, 18KT stamped on a white gold ring means that it is 18 karats, which also means that it contains 75% pure gold. Parts-per-thousand marks are also used, and they denote how many thousandths of the gold alloy are actually pure gold.

What are the markings for 18K gold?

Common Gold Markings on Jewelry, and Their Meanings

What are the markings for white gold?

Stampings and Markings If you find a marking that contains the letters PT, Pt or Plat, you have found an item that is made of platinum. If you see a karat marking like K or k, usually accompanied by a number, the item is made of white gold.

What does an 18 karat gold stamp look like?

The most straightforward way to check the karat of your gold jewelry is to look at its surface and see if there are any markings. Gold jewelry usually has its karat number stamped on it. If your jewelry is 18 karats, it should have a marking that reads “18K”, “18KT” or something similar.

What are the stamp numbers on gold jewelry?

For gold, the stamps are 375, 585, 750, 916, 990 and 999 For silver, the stamps are 800,925,958 and 999 Please refer to the photo to see what the stamps look like as well as the essay’s office stamp. That covers the most common stamps on gold jewelry. There may be some other variations or even country marks such as Italy alongside these markings.

What does 18K mean on a gold stamp?

So, if you see a stamp that reads 18K, 18KT, or 18Kt, it means the gold is 18 karats. A more interesting case is when you see the letters KP(also K.P.) after the karat number, as in 18KP. (Text continues below ad.)

What does the number 18 mean on jewelry?

If you see the number 18 stamped on your jewelry, this does not necessarily mean that it is made of a solid gold alloy. Sometimes, a piece is actually made of another metal and is only covered with a thin layer of gold. Although it looks like gold, such jewelry is gold plated.

What are the markings for 18 karat gold?

In terms of percentage, 18-karat gold contains 75% pure gold. Karat Marks for 18K Gold The standard karat marks for 18-karat gold are easy to recognize – they contain the number 18 followed by letters such as K, Kt, or KT, all of which indicate karat. So, if you see a stamp that reads 18K, 18KT, or 18Kt, it means the gold is 18 karats.