Diamond Colors: How To Determine Them
Color grading is one of the important factors that determine the quality of a diamond. The purest diamond is those that come with no color at all. Colorless diamonds are therefore graded as the rarest and the most valuable stones of today. Women are always attracted to colorful gems when choosing jewelries.
Diamonds are also available in different trendy colors to choose from. But the presence of color is actually the presence of chemical impurities and foreign materials like metallic oxides that the stone has in it. Diamonds are often found with impurities like iron oxide that is the reason for the brown or red color of the diamonds. Though these colors look beautiful, but they decrease the brilliance and value of diamonds. The presence of such chemical impurities blocks the light to form the sparkling brilliance for which diamonds are known for. These impurities cannot actually be seen by naked eyes or even under a microscope. They are present in the form of suspended crystalline material inside the diamonds that cannot be seen easily.
The presence of impurities like the iron oxide is responsible for colors like yellow, brown and red in diamonds. The white diamonds are actually rare ones and hence are valuable. You can also find a rare availability of diamonds with tint blue color whereas the snow white ones are abundantly available. The presence of colors degrades the market value for diamonds. Sometimes the yellow and brown shades present in the diamonds are that fade that it cannot be even recognized by the trained professionals. Here are some ways of how to detect colors of diamonds. You should find require a good north light that is not obstructed by anything. Remove any colored material or surface that can reflect light. You should make good comparisons only in good neutral lights.
The ability to detect the difference between a pure white and a slightly colored diamond is important to determine the purity of a diamond. You should also know how to find out the amount of color carried by the stone. Both these factors are required for judging a diamond. You should also be aware of the different classes that diamonds are differentiated into. Along with good practice and training in identifying colors, a diamond grader should never be color blind for sure.
