Earthstone Energy (ESTE) 8-K/A Unaudited Pro Forma Condensed Combined Financial Statements

Exhibit 23.1

Consent of Independent Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statements of Earthstone Energy, Inc. (Form S-3 File No. 333-205466, 333-213543 and 333-218277, Form S-8 File No. 333-210734) of our report dated March 10, 2017, relating to the consolidated financial statements of Bold Energy III LLC for the years ended December 31, 2016 and 2015 and our report dated April 21, 2016, relating to the consolidated financial statements of Bold Energy III LLC for the years ended December 31, 2015 and 2014, which are included in the Current Report on Form 8-K/A of Earthstone Energy, Inc. filed on June 2, 2017.

/s/ WEAVER AND TIDWELL, L.L.P.

Midland, Texas

June 2, 2017

AN INDEPENDENT MEMBER OF BAKER TILLY INTERNATIONAL WEAVER AND TIDWELL, L.L.P. CERTIFIED PUBLIC ACCOUNTANTS AND ADVISORS 400 WEST ILLINOIS, SUITE 1550, MIDLAND, TX 79701 P:432.683.5226F:432.683.9182