Expert advice: How to distinguish between gold and silver jewelry

In recent years, with the improvement of people's living standards, gold jewelry stores have sprung up in the streets. However, due to the high price of gold jewelry, many varieties, and strong professional appraisal, many consumers often suffer losses when they purchase. I don't know.

At present, due to the better sales of platinum, there has been a sale of palladium counterfeit platinum. What is the difference between the two? He said that although they are similar in color, the density of platinum is 21.45 g/cm3 and the density of palladium is 11.40 g/cm3. The logos of the two are also different. The logo of palladium is Pd, and the logo of platinum is Pt. When purchasing, it is necessary to recognize the logo.

At present, jade as a precious jewelry has A goods, B goods and C goods, they are not the difference in level, but three different types. A goods, refers to pure natural jade, B goods are filled with colorless glue to increase the transparency of jade, C goods are filled with colored materials to increase the color of jade. The three do not mean who is more expensive than others, but because of the high quality and low price. Some merchants do not declare at the time of sale, all of them are sold as A goods, and consumers are disadvantaged.

As another popular product in the market, jade has many counterfeit products. Among them, the more prominent is the use of Afghan jade, quartz jade to impersonate Hetian jade. These two products are difficult to distinguish with Hetian jade by the naked eye, but Hetian jade is delicate and gives a feeling of oiliness. Among them, sheep fat white is the best and the price is the highest. The price difference between them is very large, and only the physical parameters can be identified by professional instruments.

In addition, the sales of diamond jewelry on the market are also very large, and each piece of diamond products has a test book. However, some test books are not in conformity with the actual objects. The quality of the diamonds is determined by four factors, which is determined by the professional's 4C (weight, clarity, color grade, cut). Among them, the logo in the clarity has five levels of LC, VVS, VS, SI, and P.

Nowadays, there are more and more people traveling abroad in China. If you are not accompanied by a professional, it is best not to buy such high-end gold jewelry in the tourist area. Otherwise, it is very troublesome to claim a quality problem. Someone once went abroad to buy a piece of natural emerald. After returning to China, it was found to be a synthetic emerald.

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