What does 9ct GF mean?

What does 9ct GF mean?

9 ct = 37.5% Gold = 9 parts gold to 15 parts alloy. Gold Filled. Gold filled jewellery is made by bonding gold to a base metal – often silver or copper, giving it the appearance of gold. Over time, gold filled jewellery will lose its durability, the gold will eventually wear off exposing the metal underneath.

What does GF stand for on gold?

Definition. In the United States, the quality of gold-filled jewelry is defined by the Federal Trade Commission (FTC). If the gold layer is 10kt fineness, the minimum weight of the plated layer on an item stamped “GF” must equal at least 1/20th of the total weight of the item.

What does K mean in jewelry?

K is for karat, which is gold purity. 14ky means 14 karat yellow gold. Sometimes you will see k followed by a “p”. This means that it is “plumb” gold. Under the US purity laws some years back, gold must be within 7 parts per thousand of the stated karat.

What does GF stand for on Jewellery?

GF stands for gold filled. It can be marked as “10K GF” “1/20 10K GF” Sometimes the piece is not marked with GF after the stamp but only “1/10 14K” this also means gold filled. Gold filled items are similar to RGP items in that the gold is in a thin layer bonded to the surface of a base metal.

What does 14K GF mean on jewelry?

Gold-filled, or “rolled gold”, is created by bonding or “welding” a thin layer of gold to a base metal core. 14k Gold Fill (14K GF) has ± 100x more gold than a gold plated item. The gold layer found on 14K GF items is usually 50-100x thicker than what is found on a gold plated item.

What does 14K mean on a gold ring?

Note: Although a simple karat number stamp such as “14K”, without any additional letters, should mean that the piece is solid gold, there may be some vendors that could sell gold-filled jewelry that is not identified as such by the letters “GF”. Related: Check out this selection of gold-plated jewelry.

What does ” 1 / 10 22k GF ” stand for?

As an example, “1/10 22K GF” is a marking which tells you that the item is gold filled and its gold layer is made of 22-karat gold; the fraction “1/10” before the karat number means that one tenth of the item’s weight is gold. Sometimes, instead of the stamp “GF” you may see the letters “RGP”, standing for “rolled gold plate.”

What’s the difference between 10 karat and 14 karat gold?

For example, in the United States you will commonly see 14 Karat and 10 Karat Gold. 14 Karat Gold consists of 14 parts (aka “karats”) gold and 10 parts (aka “karats”) some other metal (58.3% pure gold). 10K Gold consists of 10 parts gold and 14 parts some other metal (41.6% pure gold). Other common indications are:

What does it mean when your jewelry is filled with gold?

Gold-filled jewelry should also have markings indicating its karat number. However, such pieces usually have additional letters and numbers stamped that indicate that they are not solid gold.