Aside from white, diamonds are also found in shades of yellow, brown, red, purple, blue and green. The color can be either natural or artificial.
Natural fancy color diamonds get their coloring in different ways. The color can be due to trace elements present in the stones, such as nitrogen, which produces a yellow diamond. The diamond may have been exposed to radiation during its creation; green diamonds are an example of gems affected by radiation. Inclusions, regarded as undesirable in a colorless stone, often contribute unique tones and interesting flashes of color in a fancy color diamond.
It is possible to enhance or change the natural color of a diamond. Fancy color diamonds are becoming increasingly popular, so gemologists have developed ways to create affordable versions by using heat and radiation to turn brownish and yellow diamonds into colorful show-stoppers, at an affordable price.
Treatments make it possible for more consumers to own these vivid diamonds, because most natural colored diamonds are rare and expensive. It is best to assume that any affordable fancy color diamond has been treated in some way. If there are questions as to a...