EXHIBIT 4




                              CONSULTING AGREEMENT


THIS AGREEMENT is dated for reference February 1, 2003

BETWEEN:

          KENSINGTON  RESOURCES  LTD., a Yukon company having an office at Suite
          304 - 1208 Wharf Street, Victoria, British Columbia, Canada, V8W 3B9;

                                                                (the "Company");

AND:

          JAMES R.  ROTHWELL,  a person  having a residence  at 3020 Unick Road,
          Ferndale, Washington, USA, 98248.

                                                                   ("Rothwell").

WHEREAS:

A.   Rothwell is a director of the Company;

B.   Rothwell  has the  required  skills  and  expertise  to  prepare a Takeover
Defense/Strategic Response Plan (the "Plan") for the Company;

C.   The Company wishes to engage  Rothwell to provide the  consulting  services
set out in this  Agreement  and Rothwell is prepared to provide such services to
the Company on the terms and conditions of this Agreement.

NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration of the premises and
the mutual covenants and agreements  hereinafter  contained,  and for other good
and  valuable  consideration,  the  receipt and  sufficiency  of which is hereby
acknowledged, the parties hereto agree as follows:

1.   Engagement

The Company engages  Rothwell to provide,  and Rothwell agrees to provide to the
Company, the consulting services listed in Schedule "A".

2.   Term

The  appointment  shall  commence  with effect  from  February 1, 2003 and shall
continue until terminated in accordance with the provisions of this Agreement.




                                      -2-



3.   Compensation

The monetary  compensation  payable to Rothwell for his services hereunder shall
be:

(a)  Five Hundred ($500) U.S. Dollars per day for consulting  services  rendered
     in connection  with the Plan, any other specific  assignment  undertaken at
     the request of the Board of Directors or  participation in any negotiations
     in the event of a takeover proposal by De Beers or another company;

(b)  Three  Hundred  and  Fifty  ($350)  U.S.  Dollars  per day  for  all  other
     consulting  services  rendered except for those which fall under the duties
     and responsibilities as a director or committee member of the Company.

4.   Expenses

It is understood  and agreed that Rothwell will incur  expenses  pursuant to his
engagement  under this  Agreement.  The Company will reimburse  Rothwell for any
such  expenses,  provided  that  Rothwell  provides to the Company an  itemized,
written  account and receipts  acceptable to the Company within thirty (30) days
after they have been incurred.

5.   Authority

5.1  Rothwell shall have, subject always to the general or specific instructions
and  directions  of the Board of Directors  of the  Company,  the full power and
authority to take any actions he deems necessary in preparing the Plan including
the power and  authority  to seek  legal and  financial  advice on behalf of the
Company.

5.2  Rothwell shall conform to all lawful  instructions  and directions given to
him by the Board of Directors of the Company, and obey and carry out the by-laws
of the Company.

6.   Service

Rothwell  shall use his best  efforts to prepare the Plan and shall not disclose
the private affairs or trade secrets of the Company to any person other than the
Directors  of the Company or for any  purposes  other than those of the Company,
any information Rothwell may acquire in relation to the Company's business.

7.   Confidential Information

7.1  Rothwell  acknowledges  that he will  not,  directly  or  indirectly,  use,
disseminate,  disclose,  communicate,  divulge, reveal, publish, use for its own
benefit,  copy, make notes of, input into a computer database or preserve in any
way any confidential information relating to the Company,




                                      -3-



whether  during  the  term of this  Agreement  or  thereafter,  unless  he first
receives written permission to do so from an authorized officer of the Company.

7.2  For  the  purposes  of  this  Agreement,   "confidential   information"  is
information disclosed to or acquired by Rothwell relating to the business of the
Company,  its projects or the personal  affairs of the  directors,  officers and
shareholders  of the  Company,  including  information  developed or gathered by
Rothwell  which has not been  approved by the Company for public  dissemination.
Confidential  information  does not include  information  in the public  domain,
information   released  from  the   provisions  of  this  Agreement  by  written
authorization of an authorized officer of the Company, information which is part
of the general skill and knowledge of Rothwell and does not relate  specifically
to the business of the  Company,  and  information  which is  authorized  by the
Company  to be  disclosed  in  the  ordinary  course  or is  required  by law or
applicable regulatory policy to be disclosed.

8.   Termination

This  Agreement may be terminated  with or without cause by any party giving the
other party three months' written notice.

9.   Company's Property

Rothwell  acknowledges that all items of any and every nature or kind created or
used by him pursuant to his engagement under this Agreement, or furnished by the
Company to Rothwell, and all equipment,  credit cards, books, records,  reports,
files, disks, manuals,  literature,  confidential information or other materials
shall  remain and be  considered  the  exclusive  property of the Company at all
times and shall be surrendered to the Company,  in good  condition,  promptly at
the request of the Company,  or in the absence of a request,  on the termination
of this Agreement.

10.  Assignment of Rights

The rights which accrue to the Company  under this  Agreement  shall pass to its
successors  or assigns.  The rights of  Rothwell  under this  Agreement  are not
assignable or transferable in any manner.

11   Notices

11.1 Any  notice  required  or  permitted  to be  given  to  Rothwell  shall  be
     sufficiently  given if  delivered to Rothwell  personally,  or if mailed by
     registered  mail to  Rothwell's  address last known to the  Company,  or if
     delivered to Rothwell via facsimile.

11.2 Any  notice  required  or  permitted  to be given to the  Company  shall be
sufficiently  given if mailed by registered mail to the Company's Head Office at
its  last  known  address  to  Rothwell,  or if  delivered  to the  Company  via
facscimile.




                                      -4-


12.  Severability

In the event that any provision or part of this  Agreement  shall be deemed void
or invalid by a court of competent  jurisdiction,  the  remaining  provisions or
parts shall be and remain in full force and effect.

13.  Entire Agreement

This contract  constitutes the entire Agreement between the parties with respect
to the  engagement of Rothwell and any and all previous  agreements,  written or
oral, express or implied, between the parties or on their behalf relating to the
engagement of Rothwell by the Company, are terminated and cancelled, and each of
the parties releases and forever discharges the other of and from all manners of
actions, causes of action, claims and demands whatsoever, under or in respect of
any agreement.

14.  Modification of Agreement

Any  modification of this Agreement must be in writing and signed by the parties
or it shall have no effect and shall be void.

15.  Headings

The headings used in this Agreement are for  convenience  only and are not to be
construed  in any  way as  additions  to or  limitations  of the  covenants  and
agreements contained herein.

16.  Governing Law

This Agreement shall be construed in accordance with the laws of the Province of
British Columbia.

17.  Regulatory Approval

This Agreement may be subject to the prior approval of the TSX Venture  Exchange
and as required by regulatory policy, the parties hereto may file this Agreement
with the TSX Venture Exchange.





                                      -5-



IN WITNESS WHEREOF, this Agreement has been executed by the parties hereto as of
the day and year first above written.

KENSINGTON RESOURCES LTD.



Per:
      ________________________
      Authorized Signatory


SIGNED, SEALED AND DELIVERED                )
by James R. Rothwell in the presence of:    )
                                            )
                                            )
____________________________________________)
Name                                        )
                                            )     _________________________
____________________________________________)     JAMES R. ROTHWELL
Address                                     )
                                            )
____________________________________________)
                                            )
                                            )
____________________________________________)
Signature                                   )





                                  SCHEDULE "A"
        to the Consulting Agreement dated for reference February 1, 2003
             between Kensington Resources Ltd. and James R. Rothwell

- --------------------------------------------------------------------------------

                       CONSULTING SERVICES TO BE PROVIDED


1.   Prepare a Takeover Defense/Strategic Response Plan for the Company. This is
     estimated to take one day per week for approximately two months.

2.   At the  request of the Board of  Directors,  undertake  any other  specific
     assignment or  participate in any  negotiations  in the event of a takeover
     proposal by De Beers or another company.

3.   At the  request  of the  President,  provide  any and all other  consulting
     services  which are not  considered  the duties and  responsibilities  of a
     director or committee member.