Precious metal jewelry is often marked on the exclusive, and then placed in the display counters, the most familiar is PT for platinum, S925 for silver jewelry and so on. There is also a string of numbers after the letter, and some other modifications before the letter, which are the identity identification of precious metal jewelry. They abbreviate the components of the jewelry into a mark. If you understand these marks, you will find out the material of the jewelry, and you will have a better target when choosing precious metal jewelry.
Gold jewelry
Solid gold: Mark with “gold”, “GOLD990” or “G990”. It means that the amount of gold in the microratio is not
Less than 990 gold jewelry.
Pure gold: Mark “pure gold”, “GOLD999 “or” G999″. Refers to in the microfraction, the content of gold is not less than 999 gold ornaments.
Gold: marked with “8K”, “14K”, “18K” or “24K”. Precious metal jewelry with a gold content ranging from 8K to 24K
(1K=4.1666%), such as 18-karat gold jewelry, the gold content is 75%.
Color gold: Color gold is actually a kind of K gold, that is, gold is combined with a variety of other metals such as aluminum, silver, cadmium, palladium, etc., so that the jewelry appears purple, pink, blue, green, gray and other colors. So the mark is also consistent with the karat mark.
A LOT OF PEOPLE THINK that 18K platinum is platinum, actually otherwise, 18K platinum is just a kind of K gold, so it is very important to see the mark when buying jewelry.
Platinum jewelry
Foot Platinum: Mark with “foot platinum” or “PT990”. Refers to in the microfraction, platinum content is not less than 990 gold jewelry.
950 Platinum: Mark with “Platinum 950” or “PT950”. It refers to the gold jewelry that contains at least 950 platinum in the microfraction.
900 Platinum: marked with “Platinum 900″ or” PT900″. It refers to the gold jewelry that contains at least 900 platinum in the microfraction.
850 Platinum: Platinum 850 or “PT850” mark. It refers to the gold jewelry that contains at least 850 platinum in the microfraction.
There is a precious metal called palladium, which is similar to platinum jewelry and is easily confused with platinum. PD is a metal imprint of palladium, unlike platinum’s PT, which carries a number indicating the amount of metal, such as PD950. But the two are not the same category, so there is a huge difference in price, special attention should be paid when buying.
Silver jewelry
Full silver: marked as “full silver” or according to the actual content. It refers to the percentage of silver in the jewelry is not less than 990.
925 Silver: Mark with “Silver 925” or “S925”. It refers to the percentage of silver in the jewelry is not less than 925, which is the most common silver jewelry. On the mark of silver jewelry, the market is mostly only full silver and S925, also the two most common. But Hermes products
Brand in the silver decoration aspect this year some innovation, developed anti-oxidation silver material, named “925”, and patent application, worthy of attention.
Other jewelry
Gilt: Gilt jewelry is marked “GP” or “KP”. It uses the principle of electrolysis on the surface of jewelry made of silver or copper
Coated with a very thin layer of gold.
Gold: commonly used KF. To cover the surface of a metal material such as silver or copper with gold leaf.
Forging gold: its mark is “GF” or “KGF”, essentially belongs to the wrapped gold, is in high temperature and high pressure conditions, the gold foil forging press on the surface of other metal jewelry blank. Forging gold surface hardness, high wear resistance, not easy to lose the gold texture.
Platinum handcuff alloy: marked with PtRh5, PtRhlO, PtRhl3, PtRh30 and PtRh40 alloys, currently few jewelry.
Nowadays, gold-plated jewelry is also more and more popular, we often say “silver run gold”, “copper run gold”, etc., may also be used
Gold-plated or gold-coated marks, so pay more attention when buying.
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