Hanneman (1928-2021), known by many as Dr. Bill, was a monumental and inventive figure in the world of gemmology.

Louise Riggio is downsizing her Manhattan apartment, which means selling more than 30 works by artists including Mondrian, ...

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.” ...

Malcolm Skingle looks back on his Journey with Diamond Diamond Light Source, the national synchrotron based on the Harwell ...

An art club at the University of Connecticut’s Stamford campus is currently working toward breaking a Guinness world record: creating the largest dice mosaic ever.

In the upper right corner of one of the works featured in "No Name That I Know Of," the Northwest Museum of Arts & ...