Rockwell Recovers 189.6 Carat White Diamond from its Klipdam Mine


    VANCOUVER, Sept. 11 /CNW/ - Rockwell Diamonds Inc ("Rockwell" or the
"Company") (TSX: RDI; JSE: RDI; OTCBB: RDIAF) reports on the recovery of an
exceptional 189.6-carat gemstone diamond from its Klipdam mining operation
north of Kimberley in the Northern Cape Province of South Africa.
    This large and exceptional gemstone diamond is oval in shape, somewhat
flattened and strongly resorbed, and shows features typical of top colour high
value Type-2 gemstones. Stones of this quality have previously been recovered
from the Company's operations as well as mines such as Gem Diamonds' Letseng
operation in Lesotho. The 189.6-carat Rockwell stone is presently subject to
analysis and valuation. Initial indications suggest that the diamond is D
Color with the potential of a very high recovery polished product. Aside from
sparse black inclusions on the one side of the rough diamond, the heart of the
stone appears to be clean and could result in a final polished diamond of
considerable value.
    The Company has also recovered a small but rare 1.13-carat intense blue
flawless diamond from the same Klipdam mine. Rockwell is considering its
options in respect of marketing this stone which has been submitted for
appraisal and valuation. Klipdam has produced rare fancy stones in the past,
including a 7.28-carat intense flawless pink stone which was sold in November
2007 for US$145,000 per carat. The Company also continues to recover intense
and vivid yellow colored diamonds regularly from this and its adjacent Holpan
operation, as well as the Company's Wouterspan and Saxendrift operations on
the Middle Orange River.
    President and CEO John Bristow noted "We are ecstatic with the recovery
of a yet another large stone of exceptional size and colour at Klipdam. The
recovery of the 189.6-carat stone is compatible with our statistical
predictions that diamonds of greater than 100 carats in size are an inherent
part of the diamond population found in these unique alluvial deposits. Four
plus 100 carat stones have now been recovered from the site. We look forward
to receiving an independent appraisal and valuation of this new stone.
Recovery of a small blue diamond from Klipdam, the same locality where we
recovered a 7.28-carat pink stone in late 2007, further highlights the unique
nature and frequency with which this deposit yields both large and fancy
stones of exceptional value."

    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 and its home jurisdiction filings that are
available at

For further information:

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

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