Behold: one of the rarest gems on Earth. This is the Winston Red, a mind-blowingly coveted and deeply mysterious “Fancy red diamond” that’s recently been given the scientific treatment for ...

The Smithsonian’s National Museum of Natural History will unveil the Winston Red Diamond and Winston Fancy Color Diamond Collection Tuesday, April 1—an extraordinary showcase of some of the world’s ...

Designated as a “fancy red” by the Gemological Institute of America (GIA), a global authority on gems, it’s one of the largest of its kind ever found. (The Moussaieff Red Diamond is the ...

Price per carat for a red diamond: $2.4 million per carat for 2.09-carat fancy red heart-shaped diamond ring by Moussaieff, sold at Christie’s Hong Kong in November 2014 ...

The Smithsonian’s National Museum of Natural History has acquired the 2.33-carat "Winston Red Diamond," as part of the “Winston Fancy Color Diamond Collection.” ...