EXHIBIT 10.1
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                                 PROMISSORY NOTE
                                  (Commercial)
                                                                Denver, Colorado
U.S. $65,000                                                      April 21, 2004


     FOR VALUE RECEIVED,  Diamond One, Inc. (Borrower) promises to pay to Robert
Chramosta or order,  (Note Holder) the  principal  sum of $65,000 U.S.  Dollars,
with interest on the unpaid  principal  balance from the date of this Note until
paid, at the rate of 5% per annum.

     This Note, together with all accrued but unpaid interest, is due on demand.

     Principal and interest shall be payable at 9648 East Arapahoe  Road,  Suite
A,  Greenwood  Village,  CO 80112,  or such other  place as the Note  Holder may
designate.

     If this Note is not paid when due,  the Note  Holder  shall be  entitled to
collect all reasonable costs and expense of collection  and/or suit,  including,
but not limited to reasonable attorneys' fees.

     Payments  received for  application  to this Note shall be applied first to
the payment of costs and expense of collection  and/or suit,  if any,  second to
the payment of accrued  interest  specified  above,  and the balance  applied in
reduction of the principal amount hereof.


                                            DIAMOND ONE, INC.



                                            By  /s/ Troy Fullmer
                                               --------------------------
                                                Troy Fullmer, Secretary


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                  UNIFORM COMMERCIAL CODE - SECURITY AGREEMENT
                  --------------------------------------------

Debtor:

     Name                    Diamond One, Inc.
         -----------------------------------------------------------------------

     Address:
         Residence:            N/A
                   ------------------------------------------------------------
                      No.         Street                City          State

         Business: 9648 East Arapahoe Rd., Suite A, Greenwood Village, CO  80112
                  --------------------------------------------------------------
                     No.          Street                City          State


Secured Party:
     Name                        Robert Chramosta
         -----------------------------------------------------------------------

     Address:      9648 East Arapahoe Road, Suite A, Greenwood Village, CO 80112
             -------------------------------------------------------------------
                     No.          Street                City          State


Debtor, for consideration, hereby grants to Secured Party a security interest in
the following  property and any and all additions,  accessions and substitutions
thereto or therefor (hereinafter called the "COLLATERAL"):


     All  inventory of the Company,  now owned or  hereafter  acquired,  and all
     proceeds from the same.


to secure payment of the $65,000 payable to the Secured Party.


DEBTOR EXPRESSLY WARRANTS AND COVENANTS:

     1.   That except for the security  interest granted hereby Debtor is, or to
the extent  that this  agreement  states that the  Collateral  is to be acquired
after  the date  hereof,  will be,  the  owner of the  Collateral  free from any
adverse lien, security interest or encumbrances; and that Debtor will defend the
Collateral  against all claims and  demands of all persons at any time  claiming
the same or any interest therein.

     2.   The Collateral is used or bought primarily for:
          [_]  Personal, family or household purposes;
          [_]  Use in farming operations;
          [X]  Use in business.




<PAGE>






     3.   The Collateral will be kept at

               9648 East Arapahoe Rd., Suite A, Greenwood Village, CO 80112
          ----------------------------------------------------------------------
                 No. and Street                     City          State

     4.   If any of the  Collateral  is  crops,  oil,  gas,  or  minerals  to be
extracted  or timber to be cut,  or goods  which are or are to become  fixtures,
said  Collateral  concerns the following  described  real estate  situate in the
County of and State of , to wit:

                                       N/A

     5.   Promplty to notify  Secured Party of any change in the location of the
Collateral.

     6.   To pay all taxes and  assessments  of every nature which may be levied
or assessed against the Collateral

     7.   Not to  permit  or  allow  any  adverse  lien,  security  interest  or
encumbrance  whatsoever  upon the  Collateral  and not to permit  the same to be
attached or replivined.

     8.   That the Collateral is in good condition, and that Debtor will, at its
own expense,  keep the same in good condition and from time to time,  forthwith,
replace and repair all such parts of the  Collateral  as may be damaged  without
allowing  any  lien  to be  created  upon  the  Collateral  on  account  of such
replacement  or repairs,  and that the Secured Party may examine and inspect the
Collateral at any time, wherever located.

     9.   That Debtor will not use the Collateral in violation of any applicable
statutes, regulations or ordinances.

     UNTIL DEFAULT Debtor may have possession of the Colateral and use it in any
lawful manner,  and upon default Secured Party shall have the immediate right to
the possession of the Collateral.

     DEBTOR SHALL BE IN DEFAULT under this  agreement  upon the happening of any
of the following conditions:

          (a)  default in the payment or performance of any obligation, covenant
     or liability  contained or referred to herein or in any note evidencing the
     same;

          (b)  the  make  or  furnishing  of  any  warranty,  representation  or
     statement  to Secured  Party by or on behalf of Debtor which proves to have
     been false in any material respect when made or furnished;

          (c)  loss, theft,  damage,  destruction,  sale or encumbrance to or of
     any of the  Collateral,  or the making of any levy,  seizure or  attachment
     thereof or thereon;

     UPON  SUCH  DEFAULT  and at any  time  thereafter,  or if it  deems  itself
insecure,  Secured Party may declare all Obligations  secured hereby immediately




<PAGE>






due and payable and shall have the remedies of a secured  party under  Article 9
of the Colorado  Uniform  Commercial  Code.  Secured Party may require Debtor to
assemble the  Collateral  and deliver or make it available to Secrued Party at a
place to be designated  by Secured Party which is reasonably  convenient to both
parties. Expenses of retaking,  holding, preparing for sale, selling or the like
shall include Secured Party's reasonable attorney's fees and legal expenses.

     No waiver by Secured  Party of any default shall operate as a waiver of any
other  default or of the same default on a future  occasion.  The taking of this
security  agreement  shall not waive or impair any other  security  said Secured
Party may have or hereafter  acquire for the payment of the above  indebtedness,
nor  shall the  taking  of any such  additional  security  waive or impair  this
security  agreement;  but said  Secured  Party may resort to any security it may
have in the  order  it may  deem  proper,  and  notwithstanding  any  collateral
security, Secured Party shall retain any rights of set-off against Debtor.

     All rights of Secured  Party  hereunder  shall  inure to the benefit of its
successors  and  assigns;  and all  promises and duties of Debtor shall bind the
Debtor's successors or assigns.

     Date this 21st day of April, 2004.

Debtor:                                       Secured Party:
------                                        -------------
DIAMOND ONE, INC.


By    /s/ Troy Fullmer                           /s/ Robert Chramosta
  ----------------------------------          ----------------------------------
      Troy Fullmer, Secretary                     Robert Chramosta