Diamond prices are falling, leading investors and others to wonder whether the gemstones are losing their luster.

Can Petaluma become the next high-tech manufacturing hub? Mountain View startup Diamond Quanta bets on lab-grown diamonds for ...

In this piece, we will take a look at the ten biggest diamond companies in the world. For more companies, head on over to 5 Biggest Diamond Companies in the World. Diamonds are among the most precious ...

Diamond Valley, Diamond Quanta’s Petaluma operations and process development center. Petaluma, California. The Petaluma site ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do exist—from the fog test to the water-drop test—but the only way to be sure is by ...

Forbes contributors publish independent expert analyses and insights. Pam Danziger reports on retail, focused on the luxury consumer market. This article is more than 3 years old. "Diamond Foundry is ...

Founder Adam Khan said Petaluma offered industrial infrastructure and a skilled labor pool, along with space and room to grow ...

We caught up with Dr. Jeffrey Post to hear the story of this infamous blue diamond, see what makes the National Gem and Mineral Collection so special and learn about the countless things minerology ...