Gem is referred to, in fact, many different types of precious stones, mostly small but very valuable as production. It is also for precious, so in recent years has been the darling of the auction market. In recent years, precious stones are also doing a great job in the film field, repeated success. Particularly high-grade precious stones, especially favored by collectors. Diamonds, Ruby, Sapphire, Emerald, Chrysoberyl Cat’s Eye is a recognized high-grade stones, and quality tourmaline, Aquamarine family in the recent years, sought after by the young.

“A diamond is forever, a permanent circulation”, that is sufficient to prove that diamond in the eyes of the status of most consumers. Diamond extremely hard, bright beautiful; graphite black soft, depressed. Seemingly with the wind and the two oxen and horses do not, they are twins, their parents are all carbon. Relatively high temperature and pressure of carbon into graphite, the higher the pressure of high temperature increases, carbon or graphite instantly became extremely hard, bright beautiful diamond.

Compared to Ruby Sapphire, diamond production is not small, but more rare emerald and gold than green cat’s eye, diamond production is indeed a bit big. The so-called Suddenly, diamonds sit tight in the top spot in the gem industry is not as rare, but thanks to its hard, bright character. Evaluation of diamond with 4 C to measure, that Caratage (weight), Clarity (purity) Color (color), Cat (cut). Collection of investors over the eyes of the weight of 1 carat, invisible impurities, color, almost colorless, not yellow, brown side (diamond is a different matter), cut well, can shade red orange Huang Lvqing violet 7 total reflection out of this very rare diamond.

In recent years, although the price of diamonds in the consumer market, more and more close to the cost, but the value of one carat or more have a collection of enclosed diamond prices are still not moving, doing well.

Ruby and sapphire in the same chemical composition, are alumina, the hardness close to 9, second only to diamond and silicon carbide. Ruby red roses, pink, carmine, pigeon blood red, etc., pigeon blood red is extremely rare; sapphire addition to blue, including yellow, green, purple, black, etc., such as yellow, yellow sapphire called. Little ruby origin, mainly produced in Burma, Thailand, Sri Lanka and Africa, Kenya and other countries, Myanmar rubies quality, pigeon blood red essentially from Myanmar.

Ruby Sapphire origin origin than many of Changle, Shandong, China 70 years in the last century found a sapphire mine, high yield, large particles have the greatest reach about 1000 kt, the disadvantage is that the color darker, not the fire. Emerald Emerald is a king, is a gem beryl, mostly in Colombia, the yield is very low. The Green Cat’s Eye Gold is very amazing, it like most of cat’s eyes noon, wine and yellow gems Smart’s thin middle section, it seems there is life.

There are many gems cat eye effect, but its refractive index, its agile nature are not as good as gold green cat’s eye. Kim Green said the cat’s eye gemstone industry for the cat, true cat’s eye, the other a cat eye effect of the gem will definitely add a title attribute, such as ruby cat’s eye, emerald cat’s eye, crystal cat’s eye and so on.

In addition to color, rarity and value of the precious stones, precious stones collection value decisions related to the size with precious stones, precious stones over one carat is more welcomed by collectors.

Collection of traditional gem is not the same group, tourmaline and Aquamarine are more favored by young people, therefore, in recent years, the Session class gem auction often see young figure. Tourmaline, also known as tourmaline, which has piezoelectric and thermal resistance, in the light sensors, pressure sensors can often find its shadow.

Our country is also rich in tourmaline, the quality is not much large particles, small cracks, good color is scarce. Quality red tourmaline, green tourmaline colors beautiful and breathtaking, its unique sensitivity can be more intelligent women, men more wise, the current premium price per carat tourmaline has been on a million steps. Blue beryl, aquamarine gemstone sector is called, the West in ancient times that Aquamarine is sea wizard, so most people will bring a nautical Aquamarine.

Now the pressure very elite class, there are many people like navy, because Aquamarine there alleviate the pressure, the role of a quiet mind. However, the current market price of precious stones quite different consumer, who may wish to understand the cargo floor Tao Tao Bao film, due to generally lower than the market price starting price, so Jianlou the more likely.

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