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Sapphire 6 Years Rising Values 1.2-Fold, Blue Diamond Plummeted 35% In Six Months
Recently, the international auction market, with Sapphires, blue diamonds, colored Gemstones, represented again sought after by collectors. This week, a value of 5.8 million to 850 million dollars, and weighing 7 karats, "no time to Blue Diamond," landed on the auction in Geneva; in the domestic market, one weighing 484 karats, priced 800,000 yuan's "Fu God Stone "Sapphire Stone has landed this week, an international jewelry exhibition held in Guangzhou. Well, for lack of experience of the ordinary Tibetan family, the how to distinguish sapphires, blue diamonds and blue Fluorite do?
Market Price PK: Blue Diamond Sapphire spike steady rise in
Widely in jewelry, general manager of Mr. Hou Shunyu introduced sapphires and blue diamonds are not of value-free city in Mainland China's demand has shown year by year growth trend.
Sapphire is basically positive gradual development over the years, from 2000 to 2006 time period, prices were up 120%, after 2007, although the financial crisis, but the price change little. The blue diamond prices shown after the first surge and then fall flat line, with 2008 as the watershed, in the previous five-year period, the price rises more than 2-fold, while basically the same as in 2008, the end of 2008, a carat weight of the above blue diamond has a large volume plunged 35%, the small size blue diamond prices down at least 15%.
On the market in Guangzhou, the general point of view, 1 carat sapphire price of 5,000 yuan more in to 2 million the price of 1 carat blue diamond is more than the 50,000 yuan from top to bottom, while the weight of 1 carat white diamond prices as high as 70000 ~ 100,000 yuan. In contrast, only known as a blue semi-Precious Stones mostly pieces of fluorite to calculate prices, nearly one-year period in Guangzhou city, massive blue fluorite prices fall nearly one-fold.
Valuation PK: Blue Diamond Levels or less
Blue diamond and white diamond, like, weight, cut, color and clarity are key indicators to measure its value. But showed a pale sea-blue diamonds, blue, Levels or less; to measure the color of blue diamonds, the current row within the consensus of opinion. Is generally believed that in the control Gem spectrum table, white and navy blue in color between the "is light blue" is considered the most valuable blue diamonds. In addition, the gray impurities less gloss the better the price of the product more costly.
Compared to Blue Diamond, Sapphire's value is even more difficult to measure, because the international pricing system, ruby and sapphire have been far less on the diamond specifications. However, the so-called sapphire, and blue colors will have to "is", contains melanin little as possible, deep sea blue sapphire gemstones in general be more than worth the money, because the former is more beautiful color. In addition, the sapphire is also a corresponding weight, clarity and cut targets, with fewer impurities, reflecting the better the value of the more costly of the sapphire.
With the sapphire, blue diamonds, compared to the color blue fluorite is not a problem, the value of a variety of colors is quite close to each other there is not much difference between the value of. Clarity is a measure of blue fluorite of the most important criteria, whether there are cracks, impurities such as too much blue fluorite determine the sales price. The weight of blue fluorite was in direct proportion to its price is not developed, but an exponential decline, a 5 × 5 × 5cm size of the market price of the blue fluorite over 200 to 400 per hour, but if it is carved into 10 × 10 × 10cm size size, although the big eight times the size of the price but also to reach a maximum of 1,000 yuan.
Identification PK: sapphire blue diamond cut into an oval egg noodles cut into 57 surface is a circular
Sapphire: Color partial deep color at high concentrations, generally showing a deep blue or dark blue, to 7 × 9 or 6 × 8 in the proportion of egg noodles have been cut into an oval shape, occasionally there have been Shoen cut, but not do multi-faceted cut.
Natural Blue Diamond: General emerged pale sky blue, the color concentration of shallow and often Fanchu gray, the majority was cut into 57 surface is round, a diamond cutting products in the standard way.
Blue Fluorite: Hardness is small, Mo Shangqu relatively moist, does not produce true gem kind of a sharp cold chill feeling; and blue fluorite opaque in the middle there are more cracks emit elegant matte blue, does not emit Diamonds And Precious Stones that the colorful eye-catching sheen.
Artificial coloring synthetic fake gems: The gloss was also significantly weaker than the Blue Diamond and sapphire; and through the synthesis processing, the middle is neither owned by True Sapphire volatile state of floc into the clouds, but also the lack of multi-angle diamond sparkle gloss .
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