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A happy couple who have a Diamond Checking account cooking together in a kitchen
Diamond Checking

Enjoy the rewards of our most complete checking package.1 Build upon your existing relationship with us.

Open an Account Today



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The First Midwest Bank Routing Number is 071901604. See it on a check.


Exclusive Rates and Accounts

  • Exclusive access to our best savings and money market rates with our Diamond Savings and Diamond Money Market accounts
  • Exclusive access to our best CD rates
  • $250 Mortgage closing cost rebate2,5
  • Tiered interest6 – higher balances earn higher rates

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Free Services and Special Offers

  • Priority Customer Service for expedited phone service
  • Debit card upgrade to World Debit Mastercard®
  • Free checks7
  • 4 free non-First Midwest ATM transactions per statement period8
  • Free teller services:
    • Official/cashier’s checks
    • Money orders
    • Notary services
    • Signature guarantees

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Monthly Fee and Relationship Benefits

$20 monthly fee is waived ($0) for clients who meet one of the following requirements:

  1. Maintain a Mortgage, Home Equity Loan or Line, First Midwest Financial Network,9,10 Personal Trust or Private Banking relationship
  2. Or, $25,000 combined average daily balance in checking, savings, money market and/or CDs

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Not the right account for you? View our other checking account options.


Diamond Checking account customers who are smiling and sailing their boat

Get the Most from Your First Midwest Checking Relationship

With Diamond Checking you receive exclusive access to our best savings and money market rates with our Diamond Savings and Diamond Money Market accounts. Plus, you will earn tiered interest rates, so the higher your balance – the more you can earn.

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Ordering checks online is quick and easy!

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Add momentum to your banking routine with 24/7 access to your money with free online and mobile banking.

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We help business owners create a customized roadmap to build a personal and business legacy.

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1 Online account opening is available to residents of Illinois, Indiana, Iowa, and Wisconsin. $100 minimum deposit required to open an account.
2 Subject to credit approval. Property insurance is required on loans secured by property. Mortgage closing cost rebate and Home Equity Loan discount cannot be combined with other rebates, discounts or promotional offers on a single loan number.
3 Discount requires auto payment set-up from First Midwest checking account. Does not apply to Home Equity Lines of Credit.
4 Limited time offer. May be withdrawn at any time. May not be combined with any other offer. The person making the referral 1) must have a personal First Midwest Bank checking account (Health Savings Accounts do not qualify) 2) is limited to one $25 award per referred address 3) is responsible for all applicable taxes. Addresses used in previous Tell a Friend referrals are not eligible for this offer. $25 may be subject to tax reporting. The person being referred 1) must deposit a minimum of $100 to open a personal checking, savings or money market account 2) must not have held a First Midwest Bank personal checking, savings or money market account in the past 180 days. First Midwest Bank employees are not eligible. $25 credit may take up to 30 days to appear in account.
5 Rebate may take up to 120 days to appear in your account. Incentive may be subject to tax reporting.
6 For balance levels (tier ranges), please refer to our Deposit Rate Sheet.
7 Applies to First Midwest Exclusive Wallet single style checks. Additional fees will apply for duplicate checks.
8 $3 per transaction thereafter. Other bank’s surcharge fees may apply.

9 First Midwest Financial Network relationship requires a minimum of $25,000 in invested balances.
10 Securities and advisory services are offered through LPL Financial (LPL), a registered investment advisor and broker-dealer (member FINRA/SIPC). Insurance products are offered through LPL or its licensed affiliates. First Midwest Bank and First Midwest Financial Network are not registered as a broker-dealer or investment advisor. Registered representatives of LPL offer products and services using First Midwest Financial Network, and may also be employees of First Midwest Bank. These products and services are being offered through LPL or its affiliates, which are separate entities from, and not affiliates of, First Midwest Bank or First Midwest Financial Network. Securities and insurance offered through LPL or its affiliates are:

Not Insured by FDIC or Any Other Government Agency Not Bank Guaranteed Not Bank Deposits or Obligations May Lose Value

The site is designed for U.S. residents only, and the services offered within this site are available exclusively through our U.S. registered representatives. LPL Financial U.S. registered representatives may only conduct business with residents of the states for which they are properly registered. Please note that not all of the investments and services mentioned are available in every state.

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Android, Google PayTM, Google Play, and the Google logo are trademarks of Google LLC.

Zelle and the Zelle related marks are wholly owned by Early Warning Services, LLC, and are used herein under license.