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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. On August 21, Lucara Diamond Corp. announced their discovery of a 2,492-carat diamond unearthed in a mine in Botswana. At that ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Specialist in global markets, economics and alternative investments. Investors are grappling with unprecedented uncertainty due to ...

From saw blades to scientific instruments, this tough mineral works like a charm Madison Goldberg Shimmery gemstones might steal the spotlight, but diamonds boast plenty of properties that make them ...