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| Exploration begins | |
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| 1994-1995 | Pipes A-21, A154-South, A154-North and A418 discovered | |
| February 1996 | 75-person exploration camp erected for underground bulk sampling | |
| July 1996 | 5,900 tonne bulk sampling of A418 and A154 South pipes completed | |
| December 1996 | Diavik Diamond Mines Inc. created with head office in Yellowknife | |
| March 1997 | Bulk sample transported over winter road to Yellowknife for processing. Approximately 21,000 carats of diamonds recovered | |
| June 1997 | Environmental baseline studies completed | |
| September 1997 | Pre-feasibility study completed | |
| March 1998 | Project description submitted to Federal Government triggering formal environmental assessment review under the Canadian Environmental Assessment Act | |
| September 1998 | Environmental Assessment Report submitted and Comprehensive Public Involvement Plan initiated | |
| November 1999 | Federal Government approves project for permitting and licensing | |
| September 2000 | Diavik Diamond Mines Inc. receives all necessary permits and licenses to bring mine into production | |
| December 2000 | Investors of Rio Tinto plc and Aber Diamond Corporation approve $1.3 billion expenditure to build mine | |
| January 2001 | Mine construction begins | |
| October 2001 | A154 dike earthworks completed | |
| July 2002 | A154 dike completed, dewatering commences | |
| December 2002 | Mine virtually complete | |
| January 2003 | Diamond production begins | |
| May 2003 | First million carats | |
| May 2003 | 1.9 million accident-free hours | |
| April 2003 | Aber’s first sale of rough diamonds | |
| July 2003 | Rio Tinto Diamonds’ first sale of rough diamonds | |
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