Rockwell Pre-Commissioning New Saxendrift Diamond Recovery Facility Ahead of Schedule



    OPTICAL FLOW SORT FACILITY APPLICATION A FIRST FOR THE ALLUVIAL SECTOR

    VANCOUVER, Sept. 25 /CNW/ - Rockwell Diamonds Inc. ("Rockwell" or the
"Company") (TSX: RDI; JSE: RDI; OTCBB: RDIAF) announces that it has commenced
with full scale pre-commissioning trials of its new final recovery facility at
Saxendrift well ahead of the originally scheduled date of October 10, 2008.
    This facility comprises a large custom built vertical steel structure
located immediately adjacent to the new high volume Saxendrift wet Rotary-pan
plant that is in the final stages of construction. This diamond recovery
facility was constructed by the previous owner and has been reconfigured and
modernized as an integral part of the new Saxendrift wet plant diamond
processing and recovery facility.
    The facility incorporates seven, flow-sort X-ray recovery machines (wet
X-ray technology), a state of the art optical sort machine, hands-off diamond
recovery units with built in secure storage capability, and integrated CCTV
and security monitoring facilities. All of these components are configured and
housed in an easily maintained modern layout. The flow sort X-ray recovery
units are configured to process and recover diamonds in the size fraction
+2 mm to 32 mm at a high level of throughput and efficiency. The flow sort
units will recover diamonds of up to about 210 carats in size.
    To enhance the process efficiency of this new facility and to ensure that
larger diamonds in the size fraction up to 70 mm will also be recovered, an
optical sort machine has been introduced into the design of the Saxendrift
final recovery facility. This unit will accommodate the size fraction +32 mm
to 70 mm and allow recovery of considerably larger stones up to about
500 carats.
    A review of historical data for the lower Vaal (including the Company's
Holpan and Klipdam mines) and Middle Orange River has shown that diamonds of
up to about 400 carats have been recovered from alluvial deposits in this
setting. The machine has been commissioned successfully.
    The throughput and mass balance of the new facility as currently
configured has been designed with an overall treatment capacity of about
20 tons per hour. This will ensure that the facility is able to treat and
recover diamonds from concentrate produced by the new Saxendrift mining
operation when at its full capacity. The structure also has space and support
infrastructure (e.g. electrical power and water) to increase the production
capacity of this modern facility by adding additional X-ray flow sort
equipment thereby allowing for further expansion at Saxendrift, or processing
of concentrate from other of the Company's Middle Orange River sites.
    To improve the functionality and steady state performance of the Recovery
plant, and in particular the optical sort system, the computer control
software has been upgraded to ensure robust steady-state operational
conditions and rapid problem solving.
    President and CEO John Bristow commented "Our Project Team, led by Hennie
van Wyk, has done a great job in completing and initiating pre-commissioning
of the new final-recovery facility some three weeks ahead of schedule. The
greater efficiency and inclusion of an optical sort machine that, for the
first time in the South African alluvial diamond sector, will enable recovery
of diamonds larger than 200 carats and modern layout of this facility will
provide enhanced recovery and lower operating costs. Much of the innovation
made in this facility is driven by the many years of practical hands-on
experience that Hennie van Wyk and his Team accumulated while building a
successful alluvial diamond business."

    
    John Bristow
    President and CEO

    No regulatory authority has approved or disapproved the information
    contained in this news release.

                         Forward Looking Statements
    

    This release includes certain statements that may be deemed
"forward-looking statements". Other than statements of historical fact all
statements in this release that address future production, reserve or resource
potential, exploration drilling, exploitation activities and events or
developments that the Company expects are forward-looking statements. Although
the Company believes the expectations expressed in such forward-looking
statements are based on reasonable assumptions, such statements are not
guarantees of future performance and actual results or developments may differ
materially from those in the forward-looking statements. Factors that could
cause actual results to differ materially from those in forward-looking
statements include market prices, exploitation and exploration successes,
changes in and the effect of government policies regarding mining and natural
resource exploration and exploitation, availability of capital and financing,
geopolitical uncertainty and political and economic instability, and general
economic, and market or business conditions. Investors are cautioned that any
such statements are not guarantees of future performance and that actual
results or developments may differ materially from those projected in the
forward-looking statements. For more information on Rockwell, Investors should
review Rockwell's annual Form 20-F filing with the United States Securities
and Exchange Commission www.sec.com and its home jurisdiction filings that are
available at www.sedar.com.





For further information:

For further information: on Rockwell Diamonds Inc., please visit the
Company's website at www.rockwelldiamonds.com or contact Investor Services at
(604) 684-6365 or within North America at 1-800-667-2114


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