Learn to see the tags of precious metal accessories

Precious metal jewellery (including platinum, gold, etc.) occupies a very important position in the jewellery family with its charming color and value preservation function. All kinds of simulation jewelry (including forging gold, gold, etc.) with its precious metal color, inexpensive consumption, has been favored by people.

Simulation jewelry is sometimes spurned by unscrupulous traders and pretends to be a precious metal jewelry. However, the two are far apart in terms of value. If you pay close attention, you will find different marks on the inner or reverse surface of various types of jewelry. These marks are not only Explains the type of jewelry and also tells you the fineness of the jewelry.

Gold jewelry gold: refers to gold content of not less than 990, hit "gold", "GOLD990" or "G990" mark.

Thousands of gold: refers to the gold content is not less than 999, hit "thousands of gold", "GOLD999" or "G999" mark.

K gold: generally refers to precious metal jewelry with a gold content ranging from 8K to 24K (1K=4.1666...%). Marked as 24K, 18K, 9K, or 750 (that is, 75% gold, also known as 18K), 583 (gold content 58.3%, equivalent to 14K) and so on.

In order to meet the needs of consumers, businesses have also developed and produced "color gold" in various colors. Lottery gold is in gold with various other metals such as: aluminum, silver, cadmium, palladium, etc., so that the jewelry presents purple, pink, blue, green, gray and other colors. Prize money is K gold. For example, we usually see white 18K gold, people tend to think of it as a kind of platinum, in fact white 18K gold is 75% gold, 10% silver, 10% zinc, nickel 5% white gold, Hong Kong and Macao also Called "Dacheng K Platinum" or "33 Qianjin", because the appearance is similar to platinum jewelry, people are often confused. It is not difficult to separate the two by observing the mark carefully.

Platinum jewelry Platinum: Platinum content of not less than 990, playing "foot platinum" or "PT990" mark.

950 Platinum: Platinum content is not less than 950, hit the "Platinum 950" or "PT950" mark.

900 Platinum: Platinum content is not less than 900, hit "Platinum 900" or "PT900" mark.

850 Platinum: The platinum content is not less than 850, platinum 850 or "PT850" mark.

The other substances in the platinum jewelry are mainly the same family element palladium (Pb). For example, PT900 means that platinum is 90%, palladium is 10%, and so on. Platinum content in platinum jewelry is generally not less than 85%.

Silver jewelry silver: The silver content of 1000 points is not less than 990, hit "foot silver" mark or mark according to the actual content.

925 Silver: Thousands of silver content not less than 925, hit the "Silver 925" or "S925" mark.

Other gold plating:

Is the use of electrolytic principle in the silver or copper jewelry surface plating on a thin layer of gold, China's industry standard gold-plated layer thickness of not less than 0.5um, even if the thin layer gold plating must be greater than 0.05um, gold-plated layer jewelry marked "GP" or "KP".

Gild:

The gold foil is wrapped on the surface of silver, copper and other metal materials, and the gold foil coloration is required to be not less than 10K, and the weight is not less than 1/20 of the total weight of the material, which is commonly indicated by KF.

Forging gold:

In essence, it belongs to Baojin, which forges the gold foil on the surface of other metal jewelry blanks under high temperature and high pressure conditions. The requirements for gold foil coloration are greater than 10K, in which the total weight of forged K-gold should not be lower than 5% of the finished product, which is marked as "GF" or "KGF". The forged gold surface has strong hardness, high wear resistance, and does not easily lose its gold texture.