A rare diamond exhibit in Abu Dhabi, United Arab Emirates, featured a special blue diamond, with the exhibit's worth totaling ...

A rare blue diamond was displayed Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United ...

Blue Diamonds: The Hue of the Hope Despite its deep blue shade, the Hope Diamond emits a strong red color under short wave ultraviolet light, which will last for several seconds after exposure.

They include red, yellow, pink and colorless diamonds. Visitors focused on the 10-karat blue diamond from South Africa, considered one of the most important blue diamonds ever discovered.