Do you know these things about jewelry and jade?

Jewelry is a natural friend of a woman. The Ningbo Association for Science and Technology held a special lecture on jewellery and jade public welfare on the occasion of the "March 8" Women's Day. Zhou Suzhen, director of the Gold Jewelry Testing Center of Ningbo Product Quality Supervision and Inspection Institute and secretary of the Ningbo Gold and Jewelry Association, accompanied everyone to a "Jingguang Baoqi" afternoon. The seat on the spot was added, the aisle, the front of the podium, the door was full. After the lecture, everyone even swarmed forward and took out a bunch of baby "seeking identification."

The diamond ring is hard but fragile, and wearing a half is gone.

"Diamonds are long-lasting, and one is forever." This slogan can be said to be deeply rooted in people's hearts. It is a dream of many women to have a beautiful carat diamond.

Although many people understand the 4C standard (carat weight, color, clarity, cut), and have heard a lot of "eight stars and eight arrows" propaganda, but diamond purchase is still the focus of the audience.

“How much is a carat?” Zhou Suzhen made a round-cut 1 carat diamond sample on the display with a diameter of 6.5 mm and a weight of 0.2 g, which is equivalent to 100 points.

"We all say that things are sold by two pounds. For diamonds, it's a bit interesting. A diamond with 1 point is only a few dozen pieces; a diamond with 1 carat is tens of thousands."

"99 points of diamonds, do not buy." Zhou Suzhen said that some people think that 90 or even 99 points of diamonds are very close to one carat, the price is cheaper, and the price is very high. In fact, on the contrary, in the diamond market, the value of 99 points of diamonds and 1 carat of diamonds varies greatly. If you let go, the valuation will be large.

What about the color?

"If the general public buys, I suggest to choose H color, the price is relatively high. H color is a middle color, visually close to a color of yellow and white. Whiter color, the price has been fired too high; yellower color, collection The value is also much worse."

“It’s said that diamonds are the hardest substance in the world. Why is it easy to crack?” Some listeners care about this.

"For a while, we often received complaints about diamonds. Especially the diamond ring, wearing and wearing, it broke, and even half of it." Zhou Suzhen explained that the hardness of diamond is 10, it is indeed the hardest substance. However, many people have neglected it. Another characteristic of diamonds is that they are very brittle and are very easy to break under the influence of external forces. Therefore, when wearing a diamond ring, do not do heavy work, so as not to press the ring.

“Why did you buy a dazzling diamond ring for a while and then it was dark?” This is also a lot of women’s wonders.

"This is not mainly because of wear, but the grease sticks to it." Zhou Suzhen explained that one of the characteristics of diamonds is lipophilic. Once the grease sticks, the brilliance will be greatly reduced. Therefore, when washing dishes and washing clothes, always take off the diamond ring.

Many "amber" jewels are not old enough, they are actually resins.

In the past few years, amber and beeswax have become very popular among women in Ningbo. At the scene, some listeners were curious: "Why is it rare to see amber beeswax in regular shopping malls, but is it often sold in roadside shops?"

"From the daily inspections in our field, there are quite a lot of problems. Now, there are very few amber and beeswax that have been issued by the formal testing institutions." Zhou Suzhen suggested that the public must keep amber and beeswax carefully; there is no formal inspection agency. Certificate, don't buy it.

What are the main problems with amber and beeswax on the market today?

"The most prominent problem is not old enough." Zhou Suzhen explained that the basic material of amber is the resin of pine, which takes millions of years to become amber. Amber is then compacted to become a beeswax. Nowadays, many of the jewelry sold on the market as amber are not enough for the year, and they are only in the state of resin.

"The durability of such jewellery is greatly reduced. For example, if you put alcohol on the resin, the texture will be sticky. If it is amber, it doesn't matter."

“The second big problem with the amber wax is that the possibility of secondary treatment is very high.” Here, she also mentioned the hot turquoise of the past few years. “90% of the turquoise is glued. If the glue is not colored, now it is more glued with blue glue. This is fake and has no collectible value.”

Red coral necklace is not wearable, wearing a week of dull

With the popularity of Taiwan in Ningbo, many female citizens will buy a string of red coral jewelry when they arrive in Taiwan. After I bought it, I found that it didn’t take long for it to be glory. Is this a fake?

"In recent years, there have been many people who have tested red corals. I am particularly impressed by the fact that a citizen has brought a string of 100,000 yuan red coral necklaces for identification. It is suspected to be fake. She said that she put this string The necklace is worn a week outside the sweater, and the gloss is dim. In fact, the necklace is true. The main material composition of red coral is calcium carbonate, and the hardness is only 3, which is equivalent to the hardness of the nail, which is very easy to wear. Wearing a sweater and rubbing it every day, the luster of the coral is dim."

Zhou Suzhen also suggested that while you are buying jewelry, you must clearly understand the maintenance characteristics such as wear resistance.

The green emerald bracelet is actually a strong acid soaked stone

“Where is the price of jewelry and jade suitable?” asked the audience.

Zhou Suzhen's suggestion is: daily wear class consumption, choose a regular store to buy a formal identification certificate. If it is a collection level, the price of the mall is often high, which is more suitable for purchase at regular large-scale exhibitions.

"There are two ways, I don't recommend it very much. First, when traveling, don't buy jewelry from specialty stores. From our daily identification, most of the products bought are fake or inferior goods. Second, buy online. The color of the jewels is a little different, and the price is thousands of miles. The risk of online purchase is too great."

After the lecture, a 50-year-old aunt came out with two green bracelets for identification. This was bought back when she traveled a few years ago.

Zhou Suzhen took the bracelet and watched it for a few seconds with a ten-fold magnifying glass. Then he tapped it with jade and made a dull sound. "Listen, this jade has a problem. The real jade will make a crisp sound when they knock each other, not this dull sound." Zhou Suzhen said that this is not really jade, but the stone is soaked in strong acid and then injected with glue. Into.

Jewelry and jade shots are too difficult, public investment is not reliable

At the scene, many listeners were curious about “what jewellery is more valuable to buy? If you invest, which one is suitable?”

In recent years, the domestic jewelry market is indeed crazy. Zhou Suzhen gave a data: In 2010, the national sales of jewellery and jade was 160 billion yuan, and in 2012 it was 210 billion yuan, and by 2013 it reached 470 billion yuan.

The jewellery and jade market is so hot and the output is limited. Is it suitable for investment?

“Jewelry and jade as investment products, I personally think that it is not mature. Jewelry and jade have not allowed the public to invest and trade places, and it is more difficult to sell a good price.” Zhou Suzhen explained that citizens feel that the price is one year when they buy. More expensive than one year. Last year, I bought a bracelet of 20,000 yuan. I want to buy another one for 20,000 yuan this year, which is often difficult. However, it is very difficult for you to sell a good price, especially for emergency cashing.

“I suggest that when you buy jewelry, the most important thing is to consider whether you like it or not, whether it will be worn often, rather than from an investment perspective.”

"Guess guess, how much is this bracelet?" Zhou Suzhen gave a picture of a jade bracelet, please come to guess.

At the scene, the price given by everyone ranges from tens of thousands to 1 million yuan. In fact, the jade bracelet exhibited at the Shanghai International Jewellery Show is worth nearly 200 million.

"Crazy stone. In recent years, the price of jade and Hetian jade has been very high. I suggest that if you collect it, you must be careful, don't chase it, don't try to be better, and look at the price. ”

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