In the high-priced collection market, there is hardly any place to occupy the gemstone list for a long time, but the green glass jade, the big carat high-purity diamond and the top "pigeon red" ruby ​​should be the exception. In the spring of 2014, among the top ten auctions of Sotheby's in Hong Kong, there were two jewels with rubies as the main stone.
Ruby Jinmen collection new darling
In today's gemstone collection market, the price of jadeite is high and the investment in diamonds is lacking, so colored gemstones have appeared on the scene. As one of the world's top five gemstones, ruby ​​has always been loved by its rich color, rare production, and hard texture. As the most precious pigeon blood red in ruby, it is gradually loved by the collectors of Jincheng because of its strong color and rare production.
“I tried to get a few pieces of ruby ​​jewelry at the beginning of this year, but I didn’t expect it to be very popular.†Li Bo, a jewelry store, said that almost all women who come here to buy rubies are women, and more and more young women around the age of 30. At present, the price of 1 carat of ruby ​​sold in Tianjin market is about 10,000 yuan, and the price of 2 carat is about 25,000 yuan. Boss Li told reporters that ruby ​​jewelry with a red color and high clarity is the most popular in the Tianjin market. In another jewelry store, the salesperson Miss Zhou told reporters that the pigeon blood red sales were particularly good. "Don't watch the pigeons have less blood, but they can sell them when they arrive."
Pigeon blood red color with high purity
Ruby is a kind of corundum, the main component is alumina, and the red color comes from chromium. Since the trace elements in ruby ​​not only have chromium ions, but also iron ions, etc., rubies generally appear pink to red. "From the perspective of gemology, the so-called pigeon blood red, in fact, refers to the ruby ​​with higher color saturation." National jewel appraiser, director of the China Collection Culture Research Association expert advisory committee said that as the most pure red in ruby "Dove blood red" has a feeling of condensing due to its high oxygen content.
For gemstones that have historically been produced, the quality evaluation system for rubies also differs depending on the place of production. At present, there are many rubies in the world, and in addition to Myanmar, Thailand, Sri Lanka, Vietnam, Cambodia, Tajikistan, etc. are all producing rubies. But among the many producing areas, the world's finest rubies are mostly concentrated in Asia from the west to the east of the Himalayas. Among them, Mugu Valley in Myanmar is one of the best quality ruby ​​raw materials in the world.
Less production, less treasures can be encountered
Corresponding to many places of origin, the production of rubies is extremely rare, and the blood redness of pigeons is even rarer. It is understood that even in the heyday of mining, one carat of red blood ore can be screened out in every 400 tons of ruby ​​ore, and in a pigeon blood red ore mine, a gem-level pigeon blood red can be found, so the pigeon blood red It is often impossible to meet. Historically, the pigeons produced in Meguro, Myanmar have the best blood red color, and are very popular among collectors and investors because of the scarcity of production and high quality.
“The diamonds are large and the red treasures are small.†According to Jiang Feng, director of the Tianjin Gold Association, the crystal of rubies is usually very small. “Compared with sapphire and emerald, the market is 20 carats of royal blue and 10 carats of Colombian emeralds. More common than the 4 carat ruby.†Zhao Yanming also said that the ruby ​​above 5 carats is rare, the pigeons weighing more than 10 carats are red, and the value often exceeds the same level of diamonds.
It is understood that the world's diamond mines are monopolized by De Beers, so there is a monopoly price in the diamond market. By contrast, ruby ​​can be said to be a completely competitive market. Jiang Feng said that the current operating of ruby ​​raw materials is mostly a small-scale jewelry company, so the current price of ruby ​​is not high. Although it takes a long time for the overall price to exceed the price of diamonds, the price of ruby ​​will increase steadily as the concept of “collecting rubies†is deeply rooted.
Careful synthesis of many methods can be messy
Since the demand for rubies is enduring and the production of natural high-quality gemstones is extremely limited, almost all methods for optimizing the treatment of gemstones are used in the improvement process of rubies. Such as dyeing, oiling, filling and so on. Due to the different treatment methods, the treatment method will have an important impact on the quality of ruby. Zhao Yanming reminds consumers to be cautious when dealing with.
"The optimization method of natural ruby ​​is generally divided into heat treatment and non-heat treatment." According to Zhao Yanming, ruby ​​is one of the most used gemstones for heat treatment. At present, a large number of rubies on the market are optimized gemstones after heat treatment. Naturally produced rubies are artificially treated by various heat treatment methods to improve color and transparency. Therefore, the top blood pigeons without heat treatment are very rare and the price is extremely expensive.
In addition, synthetic rubies are also more common. These rubies are often brightly colored. They often show a uniform texture and curved growth patterns when illuminated by light sources. However, due to the scientific development, many synthetic rubies have reached a level of chaos. Therefore, when investing in valuable rubies, personal best. Don't rely on experience or some knowledge gained from books, but you should go to the gem laboratory with enough equipment and gem identification experience to verify the authenticity.
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