Fancy colors, are rare colors in which diamonds are formed. E.g Red, pink, blue, orange, green.
The color yellow and brown, although standard are considered rare if the saturation, hue and tone surpass a certain level.
There is a combination of four factors that determines the price of a particular diamond. You may have heard about them as the FOUR C’s. Every diamond is unique. Each reflects the story of its arduous journey from deep inside the earth to a cherished object of adornment.