A 41.82-carat South African blue diamond of ‘exceptional colour and clarity,’ from the Cullinan Mine, could sell for record ...

Forbes contributors publish independent expert analyses and insights. Kate Matthams Spencer is a Paris-based writer who covers jewelry. A 41.28ct, ice-blue diamond has been unearthed at the famous ...

GABORONE, Botswana (AP) — In a village outside Botswana ’s capital, Keorapetse Koko sat on an aging couch in her sparsely furnished home, stunned that a career — and an entire nation’s economy — built ...

Miners in Botswana have uncovered an extraordinary gemstone that has captured the attention of gemologists worldwide. The 37.41-carat natural diamond discovered at the Karowe mine features a rare ...

The illustrious Cullinan diamond mine, flagship of London-listed Petra Diamonds, is not only famous for hosting the largest gem diamond but a flurry of reports is now affording sky-high status to the ...