Fancy yellow diamonds come in a variety of shades from mostly white to mostly yellow. Vivid yellow diamonds will have no secondary coloration and be a striking brilliant shade, often referred to as canary yellow. All shades can be very attractive, depending on their use, but in most cases, the brighter and darker the yellow, the more valuable the stone is.
A pure pink shade is very rare for diamonds and most will have undertones of red, brown, and orange. There are a number of intensity grades used for these diamonds and they are ranked from pale to dark depending on the color intensity and the combination present within the stone.
Fancy blue diamond stones are highly coveted and are widely considered to be one of the most stunning of the fancy diamond colors, and is also very rare in its deeper and more brilliant shades. Many blue diamonds have green or grey undertones and have long been seen as a status symbol for wealth and wisdom throughout the world.
To get a pure orange color in a fancy diamond requires a mixture red and yellow, which means there can be a variety of shades ranging from more red to more yellow to a perfect orange shade. Although orange is not one of the rarest colors to find in fancy diamonds, most do not get graded as a pure or perfect orange color, so those are indeed rare finds!
Green color diamonds are very popular among fancy diamonds, and is not a common color to find in the diamond family. A pure green color diamond has eight different color intensities depending on the amount of yellow, blue, or grey present in the stone.
Fancy diamonds that are colored red are not just rare, many consider them to be one of the rarest of all natural fancy color diamonds. The rich bright shades of red are caused by impurities in the stone and how those impurities react to the light reflecting through the stone. A very high level of the impurities results in the bright red color that is so widely sought-after.
Perhaps one of the most famous of the new fancy diamonds is the Chameleon diamonds. These stones possess one of the most unique values seen in diamonds – they actually change color in response to temperature and light levels. They are the only natural diamonds that possess the ability to actually temporarily change color according to their environment. They became popular several years ago when people started to notices some diamonds changing colors in different environments. The chameleon diamond remains one of the newest and least understood of the fancy diamond varieties out there.