The diamond’s current setting, once described by Evalyn Walsh McLean as a “frame of diamonds,” was originally created by Pierre Cartier and has remained largely unchanged since the early 1900s. NMNH, ...

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and the Smithsonian transformed the museum’s world-renowned gem collection Emma ...

Thanks to a modern marketing campaign, the not-really-rare gem became the iconic stone for eternal love. A 274-carat masterpiece cut from a 599-carat stone, the Centenary diamond is one of the world’s ...

How did the diamond ring become the symbol of love and matrimony? Rachelle Bergstein, author of "Brilliance and Fire: A Biography of Diamonds," joins WSJ's Shelby Holliday with a look at jewelry's ...