Notification of Q4 2016 Trading Update

30 January 2017               

GEM DIAMONDS LIMITED

("Gem Diamonds" or "the Company")

Notification of Q4 2016 Trading Update

Gem Diamonds Limited (LSE: GEMD) will be releasing a Trading Update for the period 1 October 2016 to 31 December 2016 at 07.00 GMT on Monday, 6 February 2017.

For further information:

Gem Diamonds Limited

Juliet Cox, Investor Relations

Tel: +44 (0) 203 043 0280

Celicourt Communications

Mark Antelme / Joanna Boon

Tel: +44 (0) 207 520 9265 

About Gem Diamonds:

Gem Diamonds is a leading global diamond producer of high value diamonds. The company owns 70% of the Letšeng mine in Lesotho and 100% of the Ghaghoo mine in Botswana. The Letšeng mine is famous for the production of large, high quality, exceptional white diamonds, making it the highest dollar per carat kimberlite diamond mine in the world. Since Gem Diamonds' acquisition of Letšeng in 2006, the mine has produced four of the twenty largest white gem quality diamonds ever recorded. For further information please visit www.gemdiamonds.com.