Latest about diamonds
Carbon: Facts about an element that is a key ingredient for life on Earth
Reference Carbon is one of the most abundant elements and forms a very large number of compounds, including carbon dioxide, carbon monoxide and carbon disulfide.
55-sided, 555-carat 'Enigma' black diamond (potentially from space) goes on sale
The black diamond known as the "Enigma" will soon be sold at auction, but experts are unsure about the origins of the stunning gem.
Diamonds: Formation, grading and other facts
Reference Diamonds are unique among gemstones, with intriguing physical properties and practical applications far beyond jewelry.
Diamond hauled from deep inside Earth holds never-before-seen mineral
Researchers have discovered a new mineral from deep within Earth's mantle; it was trapped inside a diamond and brought to the surface.
Lab-made hexagonal diamonds are stronger than the real thing
The scientists used a soundwave and a laser beam to measure the diamonds before they disintegrated.
Diamonds need an electric zap to crystallize deep inside Earth
A lab experiment mimicking mantle conditions revealed how diamonds need an electric field to grow.
Hope diamond formed stunningly close to Earth's core
Most diamonds originate at the bottoms of tectonic plates. But the giant blue Hope and Cullinan diamonds may have originated far deeper within the planet.
