The Smithsonian’s National Museum of Natural History has acquired the 2.33-carat "Winston Red Diamond," as part of the ...

The invitation-only Centurion Show for luxury retailers and luxury jewelry manufacturers and designers is the first U.S.

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

For example, natural diamonds contain trace amounts of nitrogen, while lab-grown alternatives do not. There's also the example of color zoning, which appears on both natural and HPHT diamonds ...

Natural diamonds have been a symbol of love and luxury for over 3,000 years, with the four Cs (color, clarity, cut, and carat ...

The Hope Diamond at the Smithsonian’s National Museum of Natural History is getting a dazzling display case neighbor — and a few extra friends.

The price of both natural and lab-grown diamonds has tumbled in the past two years, according to a report, as marriage proposals slowed and inflation increased. Diamonds might still be out of many ...

The Smithsonian’s National Museum of Natural History will unveil the Winston Red Diamond and Winston Fancy Color Diamond Collection Tuesday, April 1—an extraordinary showcase of some of the world’s ...