Know more about the gem grading will help people to purchase reasonable quality and price stones. The colored stones' quality depends on its color, transparency, flaws, cutting and many other factors, such as ruby, sapphire, etc.
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However, which kind of gemstones is the most precious? It is impossible to generalize about this question. But according to the value and scarcity of these natural gemstones, the international jewelry industry recognized the diamond, emerald, ruby, sapphire, chrysopal as the precious stones, and the jade is also listed for Asians. There will be some rare precious stones in each type of gem, so the consumers should buy the gem depend on their preferences.
With the popularity of diamonds, people concern not only the identify true of false of the gem, but more the quality grading of gem. The international organization usually treats the 4C as principles, and as follows:
Carat: 1 carat equals 200 milligrams
Clarity: It is divided into "FL, IF, VVS, SI, I" six levels, and the "SI-VVS" is common seen in the market.
Color: It can be divided into perfect, good and ordinary from "D, E, F, LLN".
Cut: Its level's also included perfect, good and ordinary.
There are many ways to clean jewelry, but the simplest one is that take a bowl of warm water, adding a small amount of detergent, and then cleaning the jewelry gently with a scrub brush, next to rinse with water and dry with cloth later. Or cleaning with the toothpaste.
Meanwhile, distinguish the true from the false is a matter of great public interest. The quality can be guaranteed when buy the gemstone jewelry at jewelry stores or jewelry counters, and we can get advices from experts or go to identify at the related quality inspection institution when there are some quality problems.
bracelets patterns |By Venturi Wang on July 14, 20100
Be careful that don't put all the jewelry into one box, because the jewelry will be rubbing against each other, and causing loss of luster for the damage of gems.
bracelets wholesale |bracelets wholesale china |Currently, the common high quality jewelry includes diamond, ruby, sapphire, emerald and quality cultured pearls; the middle grade jewelry contains garnet, amethyst, gold, topaz and so on, while for the recent years, coral, malachite, turquoise, Aventurine and some other jade ornaments is becoming popular.
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