Diamonds come in 27 base colors, listed in the color wheel above. However, the varying levels of intensities and modifying hues result in over 200 color combinations.
Brown and yellow are the most common colors in natural colored diamonds. Diamonds that come in natural pink, blue, orange, green, red, black, violet, and even grey body colors are extremely rare and are also the most expensive.
When you are buying colored diamond jewelry, you can select what color works for you based on your sense of style or even the uniqueness of the diamond.