Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder.

To synthesize the crystals, the team compressed highly ordered pyrolytic graphite to pressures as high as 20 gigapascals, ...

Researchers made small, pure samples of the elusive mineral lonsdaleite – also known as hexagonal diamond — and tested its ...

Researchers have produced nearly pure hexagonal diamond, a material long theorized to be harder than conventional diamond, by compressing and heating graphite under extreme conditions. The resulting ...

The U.S. Federal Trade Commission says these lab-grown diamonds are composed of the exact same chemical, physical and optical properties as earth-mined diamonds. “Most guys shopping for Valentine's ...

STUDIO CITY (CBSLA.com) — Lisa Bissell, the CEO of Pure Grown Diamonds, visited the KCAL9 studios Thursday! Pure Grown Diamonds are produced in a lab in Singapore using an innovative process that ...

The research, published in Laser and Photonics Reviews demonstrates a concept – reminiscent of the Star Wars Death Star sci-fi laser – where the power of multiple laser beams is transferred into a ...

Ramsey's 12 year-old daughter, Ajaya, ascended from the massive box-top and handed-off a 2.62 carat, pear-shaped Pure Grown Diamonds ring to Mills. Whilst on one knee, he slipped it on Ramsey's finger ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists report creating pure hexagonal diamond, resolving a long debate about the rare meteorite mineral lonsdaleite. (CREDIT: ...

Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder.