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The word sapphire in Latin means blue, and until the Middle Ages Sapphire was called Lapis lazuli. Sapphire has been used as jewelry in Greece, Egypt, and Rome since the 7th century BC, and was widely favored by European kings in the Middle Ages. Marco Polo, who visited Sri Lanka in the 13th century, highly valued sapphire along with ruby in his book. Sri Lanka rubies are lighter in color and are often less valuable than those from Myanmar (Burma). Usually sapphire and ruby are obtained from the same mine, but the ratio varies greatly depending on the production area, and sapphire is overwhelming in Sri Lanka. Sapphire is a mineral called corundum, which is the same as ruby, and sapphire becomes blue by mixing iron and titanium, just as ruby becomes red by mixing chromium. All corundum except red is called sapphire, but usually sapphire is blue and other colors are called fancy color sapphire. Fancy color sapphire includes yellow, green, golden and orange. The difference in color dues to the difference in the minor components and the crystal structure. Sri Lanka sapphires which are brought to Thailand are heated to improve the blue color. The characteristic of Sri Lanka sapphire is that it has a beautiful blue color with a slight amount of purple and a high degree of transparency that keeps it different from other regions. Sri Lankan sapphires are uneven in color. In extreme cases, there are only a few lumps of blue near the curettes, some of which give off very beautiful colors when viewed on Face-up. Sapphire has a lightness of 5, and its attractive, transparent and shiny. The one that applies to this is Sri Lanka, which is unmatched in other areas. Small sapphires look dark in low light, and lose their beauty, especially at a brightness of 6 and above. Rather, a lightness of about 4 will bring out beauty in the dark. In Western countries, darker colors tend to be preferred, and they may have high prices. When purchasing sapphire, of course, it is in good condition, we are proactively purchasing sapphire even if the product has a removal of side stones or the distortion of the metal is not suitable, so please feel free to request for a apphire purchase assessment once. We are confident in the sapphire purchase price.