A remarkable discovery has been made in Botswana’s diamond mining industry with the unearthing of a rare half-pink rough diamond weighing an impressive 37.4 carats. This find not only highlights the ...

Miners have unearthed a rare, two-colored natural diamond in Botswana — and experts say it likely formed in two stages. The diamond is half pink, half colorless. It measures about 1 by 0.63 by 0.57 ...