EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (No. 333-115700 and No. 333-123962) of Blue Nile, Inc. of
our report dated March 13, 2006 relating to the financial statements, financial
statement schedules, management's assessment of the effectiveness of internal
control over financial reporting and the effectiveness of internal control over
financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP
Seattle, Washington
March 13, 2006