Block listing

Petra Diamonds Ld
05 August 2005


                     Petra Diamonds Limited ('the Company')

                          Block Admission Application

A block admission application has been made for up to 2,020,399 new ordinary
shares of 10p each in the Company to be admitted to trading on the AIM Market of
London Stock Exchange plc.

The block admission application is in respect of shares that may be issued
pursuant to the conversion of the Company's Australian loan notes up until 30
November 2005 when they mature.

The shares will rank pari passu with existing ordinary shares and the block
admission is expected to become effective at 8.00am on 10 August 2005.

For further information, please contact:

Petra Diamonds, South Africa           Parkgreen Communications
David Abery                            Justine Howarth / Cathy Malins
Tel: [phone]                   Tel: [phone]

Petra Diamonds, Perth
John Baillie
Tel [phone]




                      This information is provided by RNS
            The company news service from the London Stock Exchange