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.

What is the mark for 18 karat gold?

The 18K mark is used in the U.S. and Japan. In Europe, 18 karat gold is marked 750, in reference to it being 75 percent pure. Under the percentage system, 10 karat gold is marked 417, 14 karat is marked 583, 22 karat is marked 916, and 24 karat is marked 100.

Is 18KT HGE gold worth anything?

Heavy gold electroplate (HGE) is a type of gold plating; in other words, it’s a thin layer of gold (at least 100 millionths of an inch) added to a base metal to give the appearance of gold. Unfortunately, though 18K gold is 75% pure gold, 18K HGE has virtually no value.

What does 18K HGE with a circled A mean?

The 18K indicates 18 karat gold. The HGE indicates heavy gold electroplate, meaning the ring is not solid gold but gold plated. The A might indicate the manufacturer.

How can I tell if my gold is 18K?

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 does 18K mean on a gold ring?

The Meaning of 18K Gold Purity. 18K gold is an alloy of relatively high purity. As its karat number suggests, it consists of 18 parts pure gold and 6 parts other metals, for a total of 24 parts. 18-karat yellow gold ring with blue sapphire.

What are the marks for 18 kt gold?

18 karat gold can be marked in different ways. Karat refers to how much gold is in a particular item. Gold jewelry can range from 24K to 10K; 24K is 100 percent pure gold while 10K is 41.6 percent pure gold. A piece of jewelry stamped 18K means that it is 75 percent pure gold.

What does it mean when jewelry is stamped K?

This means no additives. While this is pure gold it is also very soft and tends to bend and scratch rather easily. This is one of the reasons it is rare to find jewelry that is pure gold. As a side note, palladium is added to gold to make white gold. Also, Karat is usually stamped k, K, or KT and is different from Carat.

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.