Yes, there are hunter-greens and rich emeralds, but there's also another specific shade that keeps popping up in both the ...

The Winston Red Diamond, an exquisite 2.33 carat Fancy red diamond - one of the finest in the world. Photo by Robert Weldon, courtesy of Ronald Winston.

It will be unveiled to the public on April 1 as part of the “Winston Fancy Color Diamond Collection,” a group of some of the rarest and most important gems in the world, the museum said.