Explore the color of diamonds, from fancy colored to the rarest diamond color, and get tips to choose the perfect one for you! 

Learn about the 15 largest diamonds in the world and the not-so-secret places they were discovered. 

Learn about 11 different colors of opal and discover the reason some exhibit play-of-color and others do not.

What’s the rarest diamond in the world? Discover the rarest diamond colors, how they are made and where they come from.

Discover August's birthstones, Peridot and Sardonyx. Explore their characteristics, cleaning and care, and uncover the meanings behind these stones.