The April 24 auction includes fancy colored diamonds; signed pieces from Cartier, Verdura and René Boivin; statement sapphires and emeralds; and items from the Art Deco period, the 1960s and 1970s.

If you gaze into the Winston Red Diamond long enough, it almost seems to burn. The 2.33-carat gem gleams a deep, saturated ...

Behold: one of the rarest gems on Earth. This is the Winston Red, a mind-blowingly coveted and deeply mysterious “Fancy red ...

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 ...

"Aside from the enormous profit potential realized in Fancy Colored Diamonds, unlike transparent diamonds, color gives warmth and character. A certain diamond can fit in with consumers' personal ...

“We expect fancy diamonds to become ever more popular investments in the near future.” Alrosa auctions colored diamonds twice a year. Last September, its “True Colours” auction in Hong ...

Included in the exhibit is the elusive Winston Red Diamond, a 2.33-carat fancy color diamond. Farfan explained that the pure red diamond is so rare that for every 25 million diamonds found ...

Hong Kong billionaire Joseph Lau paid a combined $77 million for two fancy colored diamonds at auctions in Geneva last month -- $48.4 million for a 12.03-carat vivid blue at Sotheby’s and $28.5 ...

Christie’s New York upcoming Magnificent Jewels auction is led by three fancy colored diamonds that the auction house has named “The Perfect Palette.” The diamonds are mounted onto ...