What are the carvings on the jewelry?
1. Manufacturer code/brand name
We don't say any homemade jewellery without brand, but as long as it is a relatively famous jeweler, it will engrave its own brand logo or abbreviation on its own jewelry.
As far as the world-famous Van Cleef & Arpels is concerned, every Van Cleef & Arpels jewellery has a classic brand logo, and it can only write the full name of Van Cleef & Arpels or VCA shorthand (if you write VanCleef or don't write, it must be fake) ).
The VCA in the picture above is the brand, so what does the Au750 mean? This involves the material of the jewelry.
2, the letter represents the type number represents purity
1Au/G: Gold
There are two abbreviations for gold, one is the gold element Au in chemistry, and the other is G (GOLD). They will also be followed by numbers such as G750 and Au999. Gold jewelry is divided into pure gold and K gold, which will be specifically introduced below.
â–³Au750 means 75% pure gold (other 25% is other alloys)
2S: Silver
Silver everyone must be familiar with this S is the meaning of silver.
As long as you have bought silver jewelry, you are familiar with "S925". Most of the silver jewelry on the market will be engraved with these words, which means 92.5% of sterling silver.
â–³The bracket material of this ring is 925 silver
3Pt: Platinum
Pt is usually followed by numbers, such as Pt900, Pt950, Pt990, which are all metal content.
For example, Pt950 means 95% pure platinum.
4Pd: palladium (bÇŽ) gold
Have you heard this name? Palladium is a member of the platinum family and looks very similar to platinum. It is also a silvery white metallic luster, but has a lower density than platinum and is highly ductile.
5GP/KP: gold plated
Gold plating is not worth the money, so there is a gap with the above, not precious metal jewelry.
Gold plating is the use of electrolysis to deposit a very thin layer of gold on the surface of jewelry made of silver or copper, labeled GP or KP. In China, the thickness of gold plating is also standard: the thickness of the gold plating layer is not less than 0.5um (unit: micron, equal to 0.001 mm).
â–³The Beijing Olympic medal is gold-plated, but its value is much higher than the value of the material.
6KF: Gold
Gold and gold plating are similar, that is, a layer of gold foil is reported on the surface of the jewelry, which makes the jewelry look similar to real gold jewelry, glittering and not easy to fade.
However, gold-plated jewellery is not durable, and the time is long. The gold foil will appear uneven, curled and peeled, and even fall off.
Gold, platinum, palladium and silver are all common precious metal jewellery on the market, while gold-plated and gold-plated products are simulated jewellery. The cost is low, and some traders will use them to make a real mess. When buying fans, you must pay attention to the printing on the jewelry.
3, the quality of the inlaid gem
Nowadays, many gold and silver jewellery are not only gold and silver jewellery, but also some gems are set on them. The carats of these gems will also be engraved on the jewellery.
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