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.” ...

Mineral curator Mike Rumsey discusses the science behind the Aurora Pyramid of Hope, an unrivalled collection of 296 coloured diamonds. On display in a lofty Museum gallery is a small, glittering ...

For decades, diamonds dominated the market for fine jewellery, particularly for engagement rings, and while they remain emblematic of luxury and perpetuity, a new trend is emerging. Coloured gemstones ...

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

Gemstones like sapphires, rubies and emeralds are making a comeback as engagement ring centerpieces, offering a colorful and unique alternative to conventional diamonds. While diamonds have ...

It’s February and love is in the air. As hearts flutter with the rush of Valentine’s Day, some lucky souls may find it the ...

A new report from coloured gemstones miner Gemfields on the emerald, ruby and sapphire markets “… serves as a reminder of how far the coloured gemstone industry still has to go to reach the levels of ...

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 ...