What is a Jewelry Appraisal?

Jewelry identification is to identify the species, purity, synthesis, artificial, processing and some characteristics of origin of all jewellery, jade and organic gemstones. It can accurately identify the authenticity of jewellery by removing fake jewellery that is fake and imitated. Protect the rights of buyers.

Jewelry appraisal

(Noun of mineralogy)

Due to the extremely high value of jewelry itself, its investment prospects and its non-renewable mineral resource attributes have caused more and more consumers and investors to pay attention to the jewelry market. The vast majority of consumers lack the knowledge and tools for authenticating falsehoods, and criminals often obtain high profits with a good charge, and buyers are vulnerable to severe economic losses. A large number of fakes increase the purchase risk and disrupt the market order. For this reason, the authenticity of jewelry is extremely important. Many pseudo-experts also take advantage of this opportunity.

Because the level of counterfeiters is getting higher and higher, and the methods are constantly improving, it is becoming more and more difficult for collectors to identify the authenticity. The best way is to let the merchant provide a professional identification certificate of the product. Different from the antique collection market, the field of jewelry appraisal has scientific mineralogical basis, accurate large-scale instruments and corresponding national standards are promulgated and implemented. First in the country since 1994

First of all, the most important thing is the weight of the diamond (carat). 0.200 grams is equal to 1 carat, which is the most significant item in 4C.

Second, the color, most people think that diamonds are transparent and colorless. In fact, diamonds have many colors (for example, the world famous diamond Hope diamond is blue), and most of the diamonds in the market are colorless With yellow and brown, the whiter the color, the higher the value, while the colored diamond is just the opposite, the stronger the color, the higher the value.

One: magnifying glass

Zircon is very similar to diamond and is the best substitute for diamond. The identification method is that zircon is polarized and has a large birefringence. When the processed zircon face is observed with a 10-times magnifying glass, when viewed from its top, it can be seen that the ridge at the bottom has obvious double. Shadow, while diamond has no double shadow phenomenon.

Two: portable microscope

With the advancement of technology, Ainiti portable scanners identify jewelry maps. With the advancement of technology, glass products are the most counterfeit, often faked, and many old experts are difficult to distinguish with the naked eye. Easy to identify glass products. Because glass products have bubbles in the production process, when viewing the glass products with a portable microscope, the magnification is 200 times, and the bubbles contained in the glass can be clearly seen. From this, it can be discriminated whether it is a glass product.

Three: Spectrometer

There are currently many spectrometers used for jewelry identification. The Opal3000 Pro jewelry identification spectrometer of Fuxiang Technology has improved the sample testing method of the original jewelry identification equipment. , Very suitable for laboratory use.

Four: Pen-type spotlight:

Used to observe the transparency of dense stones. The electric beads of the focusing flashlight should be recessed on the pen tip surface, and should not protrude from the pen tip surface, otherwise it is not easy to observe.