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Petra Diamonds

Diamond miner headquartered in Jersey and founded in 1997, listed on the London Stock Exchange. It owns some of southern Africa's best-known diamond mines, including the source of the Cullinan Diamond, the largest rough diamond ever found.

Founded
1997
Headquarters
St Helier
Recent stories
6
Overview

What Petra Diamonds does

Diamond miner headquartered in Jersey and founded in 1997, listed on the London Stock Exchange. It owns some of southern Africa's best-known diamond mines, including the source of the Cullinan Diamond, the largest rough diamond ever found.

Petra operates the Cullinan and Finsch mines in South Africa and the Williamson mine in Tanzania, giving it one of the industry's largest resource bases by carats.

What it mines
Diamonds
Annual output

US$207m revenue (FY2025)

Leadership

Who runs it

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