Researchers have succeeded in creating a rare type of diamond, known as lonsdaleite or hexagonal diamond. This material, whose hardness could surpass that of conventional diamonds, opens new ...

Most diamonds are made of carbon recycled over and over again between Earth’s surface and its crust. But diamonds with the deepest origins — such as the famed Hope Diamond — are made of carbon from a ...

Diamonds are widely known for their rarity and high cost, but beyond their role as luxury gemstones, they possess extraordinary properties that make them invaluable in engineering. Advances in ...