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                            EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 25, 2013, relating to the consolidated financial statements and financial statement schedule of Blue Nile, Inc. (the “Company”), and the effectiveness of the Company's internal control over financial reporting, appearing in the Annual Report on Form 10-K of the Company for the year ended December 30, 2012.

/s/ Deloitte & Touche LLP

Seattle, Washington

May 21, 2013