Among the Chinese jewelry markets, the most well-known varieties are gold, jade, hetian jade and diamonds. As a new consumer and collection, colored gemstones were very low-profile five years ago. However, a recent "China Colored Gemstone Collection Trend Report" pointed out that the awareness rate and purchase rate of domestic colored gemstone products have more than doubled in the past five years, becoming one of the most popular and value-added jewelry consumer goods. .
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Guangdi Jewelry Co., Ltd. first introduced rubies in the Guangzhou market, and more and more customers have come to find rubies in recent years. So, what kind of ruby ​​has a collection value?
The redder the ruby, the better?
Yangcheng Evening News: The internationally recognized “five precious stones†are diamonds, rubies, sapphires, emeralds and gold emeralds. In addition to diamonds, the awareness of other gemstones is relatively low. Which quality ruby ​​has the most investment and collection value? Is the ruby ​​the better the red?
Hu Xuenian: Natural jewels include natural gemstones, natural jade and natural organic gemstones. Among them, rubies, sapphires, crystals, peridotes, etc. belong to natural gemstones; jade, hetian jade, jade jade, and dushan jade are natural jade; coral, amber, ivory, etc. are natural organic gemstones. The difference is that natural gemstones are single crystals of minerals, natural jade is a collection of minerals, and natural organic gemstones are related to animals or plants.
Compared to other jewels and jade, the greatest value of ruby ​​is its color. Diamonds are diamond-gloss, and rubies are ruthenium. Although the hardness and luster are slightly inferior to diamonds, the color of ruby ​​is very beautiful. Its red color is even more beautiful than the tourmaline that wins with color. This natural red is borderless and people in any country like it.
Currently, the main producing areas of rubies are in Myanmar, Thailand, Sri Lanka, Vietnam, Tanzania and Yunnan, China. In general, corundum gemstones with a red hue are ruby, rubies can be pure red, or purple or maroon. Among them, Myanmar's "pigeon blood red" has the highest color saturation, is very pure red, and of course the highest value. The previous 27.67-carat natural Burmese egg-faced ruby-encrusted ring produced by Bulgari has sold HK$17.4 million in Sotheby's Spring Auction in Hong Kong.
In addition to color, another important factor in determining the value of ruby ​​is the size. Ruby has a higher density than diamonds, so a 1 carat ruby ​​is a bit smaller than the same 1 carat diamond. And the large particles of ruby ​​are rare, and the one or two carats of ruby ​​are already big. The top ruby ​​is more expensive than the middle and upper grade diamonds. At this stage, the popularity of rubies in China is not as good as that of foreign countries. In recent years, the price increase has not been as obvious as that of jade and Hetian jade. It should be said that it is still at a price.
Will the quality of heat treated rubies worse?
Yangcheng Evening News: There are some rubies on the market that are cheap. Are these handled manually?
Hu Xuenian: The low-priced ruby ​​may be a collection of rubies produced in Africa. We often say that ruby ​​is composed of a single crystal of minerals. This African ruby ​​is a collection of semi-red and semi-green colors, a green part of the epidote collection, and a red part of the ruby ​​collection. And it's bigger, it can be carved into bracelets and even ornaments. Although it is also called ruby, the quality of this African ruby ​​is not very good, and the color is not transparent enough. I don't think there is much value for collecting investment.
Because the awareness of rubies is relatively low at this stage, some people think of red spinel, red garnet, red tourmaline, and even glass as ruby.
In addition, the price of synthetic rubies is also relatively low. Many of the citizens who receive the jewels from the jewellery that are received by the jewellery are synthetic rubies. These synthetic rubies are very rich in color and very large in size.
There are also some rubies that are mined and, if the quality is not very good, can be optimized by heating. Heat treatment gives the ruby ​​a better transparency and a more beautiful color. Some people think that ruby ​​will be worse after heat treatment, which is a misunderstanding. The heat treatment of ruby ​​is a positive, positively optimized treatment that has no effect on durability. Heat treatment is approved by national standards and is generally recognized in the industry and does not need to be indicated in the gem identification certificate.
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