| November 2010 | Holding(s) in Company | (29 November) |
| Director/PDMR Shareholding | (02 November) | |
| October 2010 | Q3 Operational and Sales Update | (25 October) |
| September 2010 | Half Yearly Report | (27 September) |
| Director/PDMR Shareholding | (27 September) | |
| August 2010 | Export and Cutting Expansion Agreement | (31 August) |
| Results of AGM | (09 August) | |
| July 2010 | Sales Update | (12 July) |
| June 2010 | 2009 Annual Financial Report | (30 June) |
| Notice of AGM and Explanatory Memorandum | (30 June) | |
| Sales and Marketing Update | (15 June) | |
| Statement re. Press Reports | (09 June) | |
| May 2010 | TanzaniteOne 2009 Financial Year Results | (18 May) |
| April 2010 | Appointment of New Chief Executive Officer | (22 April) |
| Operational Update | (21 April) | |
| Holding(s) in Company | (16 April) | |
| March 2010 | Sales Update | (24 March) |
| February 2010 | Operational and Marketing Update | (01 February) |