Exhibit 15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in Registration Statement No. 333-152452 on Form F-3 of our report dated March 11, 2010 appearing in the Annual Report on Form 20-F of LJ International Inc. and its subsidiaries for the year ended December 31, 2009.

/s/ GRUBER & COMPANY, LLC

GRUBER & COMPANY, LLC
CERTIFIED PUBLIC ACCOUNTANTS

Lake Saint Louis, MO
Date — March 22, 2010