That 11.15-carat diamond holds the title for the most expensive diamond per carat ever sold – $5.2 million per carat. However, its presale estimate was $1.9 million per carat, Barron's reported .

Pink diamonds are extremely rare and coveted. But a discovery made in Western Australia near a now-closed mine may help reveal new deposits of the jewels, researchers say.

A diamond's journey: From the mines in Africa, to polishers in India, to retailers in the West, follow a diamond's global path to market. Nov. 28, 2006, 1:00 PM EST By Petra Cahill, MSNBC.com ...

A diamond's journey: From the mines in Africa, to polishers in India, to retailers in the West, follow a diamond's global path to market.

Operations ceased in 2001, but the site didn’t lie dormant for long. Diamond mining now takes place in great volumes at the Mir Underground Mine, which lies just underneath the original open pit.

Bleu Royale diamond goes for $44 million at auction 00:36. Gaborone, Botswana — Botswana says one of the largest diamonds ever found has been unearthed at one of its mines and will be put on ...

A Great Way To Start Your African Adventure--A Diamond Mine. ByGerald Eskenazi, ... Thus, the museum and its surrounding area take us back to the late 19 th Century and a vintage fire truck.