April 26, 2011

Directors Share Purchases

Stellar Diamonds plc, the London listed (AIM:STEL) diamond mining and exploration company focused on West Africa, was informed on April 21, 2011 that Karl Smithson (Chief Executive of the Company) and Steven Poulton (Non-Executive Director of the Company), made the following purchases of Ordinary Shares of the Company (“Ordinary Shares”):

Director

Ordinary Shares purchased

Price paid per Ordinary Share (pence)

Date of purchase

Total Ordinary Shares held following purchase

Total Ordinary Shares held as a percentage of current issued share capital

(%)

Karl Smithson

130,000

7.49p

21 April 2011

1,525,757

0.70

Steven Poulton

135,000

7.49p

21 April 2011

669,576

0.31

About Stellar Diamonds plc

Stellar is a London (AIM: STEL) listed diamond mining and exploration company that has a portfolio of projects in West Africa. Stellar owns a 100% interest in four high-grade kimberlite projects that are the focus of exploration and development. In Guinea resource definition drilling is continuing on the diamondiferous Droujba kimberlite pipe project and bulk sampling is also underway on the high grade Bouro kimberlite dyke which is adjacent to the Company’s Mandala alluvial diamond mining operation. In Sierra Leone at Tongo a bulk sampling programme is ongoing on the high grade Dyke 1 and bulk sampling is planned on the Lion 5 dyke at the Kono kimberlite project.

For further information please contact the following or visit the Company’s website at www.stellar-diamonds.com.

Stellar Diamonds plc

Karl Smithson,Chief ExecutiveTel: +44 (0) 20 7257 2930

Northland Capital Partners Limited

Gavin Burnell, Edward Hutton

Charles Vaughan Tel: +44 (0) 20 7796 8800

Daniel Stewart & Company plc

Martin Lampshire, Oliver Rigby Tel: +44 (0) 20 7776 6550

Pelham Bell Pottinger

Charles Vivian / James MacFarlane Tel: +44 (0) 20 7861 3232