While it may look like a blazing red ruby, the 2.33-carat Winston Red Diamond is just that—a diamond. One of the rarest ...

Christie’s New York Magnificent Jewels auction totaled $87.7 million with 100% of the lots sold, a record for a various-owner ...

Some, like the people at the Smithsonian Institution’s National Museum of Natural History, will tell you the 2.33 carat diamond colored like the water of life that gushed forth from Ouranos after ...

Only about 30 percent of natural diamonds are considered gem-worthy, and among those, less than 1 percent are fancy color diamonds—that is, diamonds of unusual color. While the latter come in ...