Exhibit 99.1

LOGO

LJ International Inc. Announces Change of Fiscal Year End

HONG KONG, Dec. 28, 2012 — LJ International Inc. (NASDAQ: JADE) (“LJI” or the “Company”), a leading colored gemstone and diamond jeweler with retail and wholesale businesses, today announced that its Board of Directors has approved a change of the Company’s fiscal year end from December 31 to March 31 each year. The primary purpose of the change of fiscal year end is to align its reporting with that of the Company’s domestic peers to improve comparability on both a quarterly and an annual basis. The change of fiscal year end is effective immediately.

About LJ International Inc.

LJ International Inc. (LJI) (NASDAQ:JADE) is engaged in the designing, branding, marketing and distribution of its full range of jewelry. It has built its global business on a vertical integration strategy, and an unwavering commitment to quality and service. Through its China-based ENZO retail chain stores, LJI is now a major presence in China’s fast-growing retail jewelry market. As a wholesaler, it distributes to fine jewelers, department stores, national jewelry chains and electronic and specialty retailers throughout North America and Western Europe. Its product lines incorporate all major categories, including earrings, necklaces, pendants, rings and bracelets. For more information on the Company, visit the Company’s website at www.ljintl.com.

Cautionary Note Regarding Forward-Looking Statements: This press release may contain “forward-looking statements” within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by words such as “anticipates,” “intends,” “plans,” “seeks,” “believes,” “estimates,” “expects” and similar references to future periods. Forward-looking statements are based on our current expectations and assumptions regarding our business, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Our actual results may differ materially from those contemplated by the forward-looking statements. They are neither statements of historical fact nor guarantees or assurances of future performance. We caution you therefore against relying on any of these forward-looking statements. Factors that could cause actual results to differ materially from such statements, as well as additional risk factors, are detailed in the Company’s most recent filings with the Securities and Exchange Commission. Any forward-looking statement made by us in this press release speaks only as of the date on which it is made. We undertake no obligation to publicly update any forward-looking information contained in this press release or with respect to the announcements described herein, except as may be required by law.

Investor Relations contact:

LJ International Inc.

Mr. Ringo Ng

T: 852-2764 3622

E: ir@ljintl.com

LJ INTERNATIONAL INC 6-K