Jewelers learn to identify jewelry imprints

The rapid growth of the jewellery consumer market, but also repeatedly broke the jewelry "quality door", seriously affecting consumer confidence, as consumers in order to protect their own rights and interests, choose jewelry to avoid being fooled, before buying to learn to identify jewelry imprint.

Buying jewellery should not only teach you to identify jewellery imprint precious metal jewellery (including platinum, gold, etc.) With its attractive color and value preservation function, it occupies a very important position in the jewelry family. 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%.

Palladium jewellery Palladium jewellery is based on content only divided into two kinds of one mark is PD990. One marker is PD950
PD990 indicates the palladium content is not less than 990, marked as PD990
PD950 indicates that the palladium content is not less than 950, marked as PD950
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: It is the use of electrolytic principle to coat a thin layer of gold on the surface of jewelry made of silver or copper. China's industry standard gold plating thickness is not less than 0.5um, even if the thickness of gold plating is greater than 0.05um, gold-plated jewelry The mark is "GP" or "KP".
Bao Jin: The gold foil wrapped in silver, copper and other metal materials on the surface, requiring gold foil color not less than 10K, weight not less than 1/20 of the total weight of the material, commonly used KF said.
Forging gold: Intrinsically affiliated with gold, the gold foil is forged 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.