Notification of Results

Gem Diamonds Limited 07 September 2007 07th September, 2007 GEM DIAMONDS LIMITED NOTIFICATION OF RESULTS Gem Diamonds Limited,(GEMD.L) a diamond mining company with a balanced portfolio of a producing kimberlite mine, two producing alluvial mines, development projects and long-term prospects will be announcing its interim results for the six months ended 30 June, 2007 on Thursday the 13th September, 2007. An analyst presentation will take place 09:00 that morning at the offices of Pelham PR, No1 Cornhill, London EC3. Enquiries: Candice Sgroi, Pelham PR 0207 743 6376 This information is provided by RNS The company news service from the London Stock Exchange