History
- 1997
- Petra becomes the first diamond mining company to list on AIM
- 1997
- Discovery of diamondiferous kimberlites at Alto Cuilo in Angola
- 1998
- Petra wins management contract for state owned Alexkor diamond mine in South Africa - successfully opposing established industry professionals
- 1999
- Petra declares force majeure in Angola due to the outbreak of civil war
- 1999 – 2001
- Petra manages the Alexkor diamond mine and returns the operation to profitability, achieving an excellent economic and operational turnaround
- 2002
- Xxx??
- 2003
- Petra resumes work at Alto Cuilo
- May 2005
- Petra merges with ASX listed Crown Diamonds – Crown’s producing mines balance Petra’s strong exploration portfolio
- September 2005
- Petra acquires Kalahari Diamonds, holder of the largest diamond exploration land holding in Botswana
- May 2007
- First mini bulk sample results at Alto Cuilo (AC63)
- July 2007
- Petra completes acquisition of Koffiefontein mine from De Beers
- September 2007
- Petra reaches agreement to acquire Kimberley Underground mines from De Beers
- May 2008
- A low level aeromagnetic survey at Luangue in Angola identifies 138 targets, with total surface area in excess of 8,000 ha
- May 2008
- Koffiefontein achieves US$484 per carat and secures its place as one of the world’s top diamond mines by value
- July 2008
- Petra completes landmark acquisition of Cullinan, a major diamond producer and the world’s second largest indicated diamond resource by in-situ value and volume
- October 2008
- 39.19 carat blue diamond mined from Cullinan is sold for US$8.8 million
