Ruby in all colored gemstones, ruby has the highest price per carat. They differ in color from red to purple. They are a kind of corundum, colorless minerals. If you add chromium, you will get the typical red. The best ruby wipe valley region (called myanmar ruby Burma) Mining. These show that the fluorescent color, this is helpful to the intensity of the color, so they are very expensive. They are the most pure natural ruby, but there are a lot of artificial synthetic currently on the market. For centuries, because of its beautiful red, ruby represents a symbol of love and passion. In addition, they send out a pure luxury. With ruby as a center stone diamond gold ring looks very classic, but also very costly. Sapphire blue is also a kind of corundum, but it's blue is a combination of iron and titanium. Such as Cambodia, Thailand and Australia basalt rich areas such as sapphire darker, so the value is lower. The best sapphire from Kashmir ( The basalt) Pakistan region. Their cornflower blue and small inclusions make stone has a velvety luster. So they are rather expensive is not strange. But please pay attention to the artificial composite again! Sapphire is often associated with power and wealth. They are in white gold or platinum diamond ring is very beautiful. Precious metals colorless diamond and gray make sapphire luster more bright. This will be a let her marry you propose perfect ring. Emerald as early as the ancient egyptians, emerald will have been mined. At present, we can find its most important in Zambia and Zimbabwe. Columbia emerald, however, is the most precious, because they are turquoise. The strong green is caused by the presence of chromium and vanadium. Emerald is more soft than other gems, more fragile, when in the grinding, polishing and Mosaic are more susceptible to damage. As a result, they are visible to the naked eye inclusions. And this affects the uniqueness of the gem. The original design emphasized the beautiful emeralds and other precious stones, emerald cut is still a popular diamond shape. Emerald symbolizes courage. Green is the color of optimistic, combining with colorless diamond more frivolous. In, you can add stones to diamond ring as a ring or worn in a variety of other special occasions.