Sotheby's says the spectacular diamond has the "highest price per carat estimate ever placed on any diamond or gemstone" to come to market Abigail Adams is a Human Interest Writer and Reporter for ...

Researchers have previously pursued harder diamonds with hexagonal rather than cubic lattices, which is how most natural and synthetic diamonds form. However, past attempts to make hexagon-lattice ...

The emergence of a new technology is often preceded by advances in materials science. The development of diamond technologies has borne that out since the material was first discovered. Diamond ...

A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...