Fancy diamonds have impurities and structural defects which create a stunning variety of different colors. The more intense the color the more rare and valuable the diamond. Yellow, brown, and black are the most common colored diamonds, followed by pink and blue. Red, green, purple, and orange are more rare.
The Hope diamond, known as the worlds most legendary gem, is a spectacular deep blue, weighing 45.52 carats.
The most well known and current sources of colored diamonds are India, South Africa, and Australia. Brazil, Venezuela, Guyana, and Indonesia also produce fancy colored diamonds.