The resulting diamond has a hexagonal lattice crystal structure, rather than the normal cubic structure. Hexagonal diamond (or lonsdaleite) was first brought to the attention of scientists more than ...

The defining feature of this diamond is its hexagonal crystal lattice, distinct from the usual cubic structure seen in ...

If the idea of a diamond that’s as brilliant, durable, and breathtaking as a mined one—but without the environmental ...

Soon after it was first marketed in 1976, colorless cubic zirconia became the dominant diamond imitation, with current production of approximately 60 million carats per year. Although cubic zirconia ...

First identified in 1967, lonsdaleite is the hardest naturally-occuring mineral ever discovered—yes, it’s even harder than diamonds. Lonsdaleite, however, has only been found in meteorites ...

Interconnected materials containing networks are ubiquitous in the world around us—rubber, car tires, human and engineered tissues, woven sheets and chain mail armor. Engineers often want these ...

That’s why cutters try to leave as much of the natural rough around the girdle as possible. Green diamonds get their color when radiation displaces carbon atoms from their normal positions in the ...

Some did not want to turn to diamond substitutes, like cubic zirconia. That touched off a surge in popularity for lab-grown diamonds. Because these synthetic diamonds can be produced more quickly ...

The official diamond award was unveiled by the Recording Industry Association of America in 1999. In the years since then, it has been bestowed sparingly — only if a song has moved at least 10 ...

The official diamond award was unveiled by the Recording Industry Association of America (RIAA) in 1999. In the years since, it has been bestowed sparingly — if a song has moved at least 10 ...