Diamonds have a reputation as one of the hardest materials known to man, which is undoubtedly true, but they're not as tough as you think they are.

According to an expert, lab-grown diamonds possess the same physical and chemical properties as naturally occurring diamond.

While a professional appraisal is the only way to get a 100% guarantee, there are a handful of ways you can check a diamond's authenticity yourself.  How to Spot a Fake Diamond: 9 Tests & Tips ...

Diamonds are prized for their hardness. In jewelry, they can last generations and resist scratches during day-to-day wear. As blades or drill bits, they can penetrate almost anything without ...

He said Tesla is considering offering an optional tungsten carbide coating, which has a Mohs hardness rating between 9 and 9.5 – second to diamonds’ hardness.

A team of scientists has developed a substance so hard and tough that it can go toe to toe with diamonds, the hardest material on Earth.

Elon Musk suggested that Tesla might offer an optional coating for Cybertruck that should make the electric pickup scratch-proof to everything except objects with diamond-level hardness. The ...

Diamond is considered to be the hardest material in existence, only being able to be scratched by other diamonds. Now, scientists report a new breakthrough – a super-incompressible material that could ...

The European Union is poised to impose a ban on imports of Russia’s diamonds — cutting off the world’s biggest diamond producer from one of its key markets.