Interestingly, this improved extraction method has created an unexpected challenge: a glut of giant diamonds too large for typical jewelry use. The glut hasn't been helped by automation in the diamond ...

Dale Vince, who is also founder of green energy provider Ecotricity, says his lab-grown diamonds are environmentally friendly because they are made using carbon drawn from the air. Vince’s new venture ...

Growth of diamond in liquid metal alloy under 1 atmosphere pressure. (a) A photo showing the as-grown diamond on the solidified liquid metal surface. (b) An optical image of the as-grown continuous ...