How to distinguish good from bad jewelry, how to distinguish real jewelry from fake

Specific gravity test method:

There is a specific gravity solution on the market that measures the specific gravity of gemstones; We can use specific gravity to test real and fake diamonds. The specific gravity of natural diamonds is that all natural diamonds sink when placed in specific gravity water, so any gemstone that floats on specific gravity water can be sure that it is not a diamond.

Penetrating Observation:

Diamonds have a high refractive index, and the higher the refractive index, the stronger the light reflection and the lower the relative perspective. You can prepare a piece of paper with a straight line, and the two unknown diamonds to be measured, face down, pressed on the straight line, from the back of the diamond directly to the naked eye, if you can see the straight line pressed under the diamond, it is definitely not a natural diamond.

Lipophilic method:

Diamonds have an oil-absorbing property to oil, while counterfeit diamonds do not. Rub the diamond with a small amount of oil on the face and rub the diamond with your thumb to feel a sticky texture that is not easy to slide, while counterfeit diamonds will make your finger slippery.

Heh Test:

Natural diamonds have a good heat transfer ability and heat dissipates quickly. The diamond to be tested is close to the mouth, gently exhale, so that the test diamond is covered with a light mist, at this time immediately watch the diamond mist volatilize, if it is a natural diamond, the mist will dissipate immediately, otherwise the mist will remain on the counterfeit diamond for a while, then dissipate.

Measurements & Weights:

A 1 carat natural diamond has a diameter of about a millimeter (centimeter), and most counterfeit diamonds have a large diameter and size difference from natural diamonds at the same 1 carat weight.

The overall evaluation of Chinese jewelry is okay.

China jewelry is a regular brand, but also a central enterprise brand, the full name of China's jewelry import and export. Because Chinese jewelry is a large enterprise, the reputation is very good, the service is very good, the best jewelry has a *** number, the Internet is to query a variety of detailed information of jewelry, the purchase will also come with a jewelry appraisal, safe and reliable, therefore, Chinese jewelry is a regular store.

The store was established in 1985, China Jewelry is a ** enterprise supervised by the State-owned Assets Supervision and Administration Commission, mainly engaged in the import and export of jewelry, raw materials and domestic sales of jewelry. It is a comprehensive enterprise in China's jewelry industry, and it is also the only representative of China in the International Jewelry Federation.

Reliable basis

Since Chinese jewelry is a regular store, you can rest assured to buy, Chinese jewelry stores are insured by China insurance quality, no worries, Chinese jewelry products are absolutely **, promise to pay ten for fake, buy jewelry to go to Chinese jewelry, inside the ** jewelry, diamond jewelry, everything, Chinese jewelry recommended Chinese brands, service enthusiasm in place, is trustworthy.

China Jewellery is now a member of the International Jewellery Federation (CIBJO), the only Chinese representative of the Federation, a shareholder of the Shanghai Diamond Exchange, the first member and a member of the Shanghai ** Exchange, and one of the few ** exchanges in China. One of the companies that imports jewelry rights has the qualifications to import and export raw materials and ** business through the element market, so the brand of Chinese jewelry is more reliable.

There are ways to identify the authenticity of jewelry:

1. Look at the color.

The value of jewelry is reflected in the color, the color difference between genuine and fake jewelry is very large, and the color of natural jewelry is natural.

2. Clarity.

Clarity refers to the clarity and cleanliness of a gemstone. Use a high-magnification magnifying glass to observe the jewelry for cracks, blemishes, scratches, etc. Generally, the defects in synthetic jewelry are more and the inner is clean.

3. Gravimetric method.

Gravimetric is a method of testing the weight of jewelry of the same volume to determine the authenticity of the jewelry. This method is also suitable for the identification of pearls, which are slightly heavier than artificial pearls.

4. Hardness identification method.

Hardness refers to the degree of hardness of jewelry, and the hardness of jewelry and jade is divided into 10 grades internationally, of which the lowest hardness is talc, which has a Mohs hardness of 1 degree, and the highest hardness is diamond (diamond), which has a Mohs hardness of 10 degrees.