Hanneman (1928-2021), known by many as Dr. Bill, was a monumental and inventive figure in the world of gemmology.

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

The synthetic hexagonal diamond exhibits high thermal stability up to 1,100°C and a hardness of 155 GPa, promising ...

A team of physicists, materials scientists and engineers affiliated with several institutions in China, working with a ...

Chinese scientists have synthesized a "super diamond" that is 40 percent harder than natural diamonds and exhibits high thermal stability, a breakthrough that could enhance the performance of ...

Most natural and synthetic diamonds feature a cubic lattice structure but there are rare exceptions. Lonsdaleite, for example ...

For the first time, researchers in China have synthetically produced a nearly pure hexagonal diamond, marking a significant ...

World leader in the design, development and production of synthetic diamond advanced material solutions Element Six, part of the De Beers Group, and global leader in drilling technology solutions ...

Chinese scientists have created a ‘super diamond’ 40% harder and far more durable than natural ones. Experts say the creation ...

Researchers from two higher-education institutions in China created a super rare high-quality diamond in the lab.

The result is a power source with a half-life of 5,700 years, meaning it could potentially last for tens of thousands of ...