Diamonds almost all have naturally occurring colors, including yellow, blue, pink, green, black, and often have accompanying colors in color tones, such as yellow green diamonds, pink purple diamonds, and so on.
1. Yellow Diamond
Yellow diamonds are the most common type of colored diamonds, classified into different color grades based on the lightness of yellow. Giant diamonds are also commonly found in yellow diamonds.
2. Blue Diamond
Blue diamonds may appear in dark blue or gray, and their color is not very intense. Most of them have a gray tone and a cold texture, making them appear very high-end. The largest blue diamond in the world is the legendary 'Star of Hope', which is the prototype of the 'Heart of the Ocean' in the Titanic.
3. Pink Diamond
Pink diamonds and brown diamonds both belong to the plastic deformation of diamonds and the color produced by lattice loss.
4. Green Diamond
Green and blue-green diamonds are extremely rare and unstable diamonds. It is formed due to long-term natural radiation, and over time, its color may change, and it is truly rare. The largest green diamond in the world currently is the Dresden Green Diamond, weighing 41 carats.
5. Black Diamond
Black diamonds are mostly due to the presence of many black inclusions and cracks inside the diamond, which visually appear completely black. It is usually completely opaque and has a very high gloss.