Charles & Colvard, Ltd. (NASDAQ:CTHR), the sole manufacturer of moissanite lab-created gemstones, The Most Brilliant Jewel in the World TM, announced today that it will join the Russell Microcap ® Index when Russell Investments reconstitutes its family of U.S. indexes on June 25, according to a preliminary list of additions posted June 11 on www.russell.com.

Membership in the Russell Microcap ® Index, which remains in place for one year, means automatic inclusion in the appropriate growth and value style indexes. Russell determines membership for its equity indexes primarily by objective, market-capitalization rankings and style attributes.

Randy N. McCullough, Chief Executive Officer of Charles & Colvard, commented, “We are extremely pleased to be included in the Russell Microcap ® Index. We believe the results of our diligent work over the past six months to improve our financial performance and stock price have been validated by the selection of our company by Russell Investments for benchmarking the true microcap opportunity.”

Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for both passive and active investment strategies. An industry-leading $3.9 trillion in assets currently are benchmarked to them.

Annual reconstitution of Russell Indexes captures the 4,000 largest U.S. stocks as of the end of May, ranking them by total market capitalization to create the Russell 3000 ® Index and Russell Microcap ® Index. These investment tools originated from Russell’s multi-manager investment business in the early 1980s when the company saw the need for a more objective, market-driven set of benchmarks in order to evaluate outside investment managers.

Total returns data for the Russell Microcap ® and other Russell Indexes is available at http://www.russell.com/indexes/performance/default.asp.

About Charles & Colvard, Ltd.

Charles & Colvard, Ltd. (NASDAQ: CTHR), based in the Research Triangle Park area of North Carolina, is the global sole source of moissanite, a unique, near-colorless lab-created gemstone that is distinct from other gemstones and jewels based on its exceptional fire, brilliance, luster, durability, and rarity. Charles & Colvard Created Moissanite is currently used in fine jewelry sold primarily through domestic and international retailers. For more information, please visit www.moissanite.com or www.charlesandcolvard.com.

Charles & Colvard and Charles & Colvard Created Moissanite are registered trademarks of Charles & Colvard, Ltd.

About Russell

Russell Investments provides strategic advice, world-class implementation, state-of-the-art performance benchmarks, and a range of institutional-quality investment products. Russell has $179 billion in assets under management as of March 31 2010, and serves individual, institutional, and advisor clients in more than 40 countries. Founded in 1936, Russell is a subsidiary of The Northwestern Mutual Life Insurance Company.

This press release may contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act. Statements expressing expectations regarding our future and projections relating to products, sales, revenues, and earnings are typical of such statements and are made under the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements about our plans, objectives, representations, and contentions and are not historical facts and typically are identified by use of terms such as “may,” “will,” “should,” “could,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “continue,” and similar words, although some forward-looking statements are expressed differently.

All forward-looking statements are subject to the risks and uncertainties inherent in predicting the future. You should be aware that although the forward-looking statements included herein represent management’s current judgment and expectations, our actual results may differ materially from those projected, stated, or implied in these forward-looking statements as a result of many factors, including the risks and uncertainties described in detail in our filings with the Securities and Exchange Commission, or the SEC, including our Annual Report on Form 10-K for the fiscal year ended December 31, 2009 and subsequent reports filed with the SEC. Forward-looking statements speak only as of the date they are made. We undertake no obligation to update or revise such statements to reflect new circumstances or unanticipated events as they occur except as required by the federal securities laws, and you are urged to review and consider disclosures that we make in the reports that we file with the SEC that discuss other factors relevant to our business.

Copyright Business Wire 2010

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