Only one in ten thousand diamonds has a noticeable fancy color outside of the subtle color range normally associated with ...

“The Winston Red diamond is one of the most exquisite gems on earth, from its unparalleled deep-red color to its rich history,” said Susan Jacques, GIA president and CEO.“Natural fancy ...

Carlsbad, Calif., April 08, 2025 (GLOBE NEWSWIRE) -- A team of scientists from the Gemological Institute of America (GIA), collaborating with their colleagues from the Smithsonian National Museum ...

The Winston Red is now on public display at the Smithsonian Institution “The Winston Red diamond is one of the most exquisite gems on earth, from its unparalleled deep-red color to its rich history,” ...

Black, gray, and silver are also fairly common, but the palette of pearl colors extends to every hue. The main color, or bodycolor, is often modified by additional colors called overtones, which are ...