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 ...

Scientists Create Substance Rivaling Diamonds in Hardness. by Sharon Adarlo. 12.14.23, 4:29 PM EST. Getty / Futurism. They say it could be an ultra-tough coating for spacecraft. Hard Rock.

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 ...