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1. A unit investment trust in which the underlying asset is the Dow Jones Industrial Average. That is, diamonds are shares in a closed-end index fund tracking the DJIA. It is traded on the American Stock Exchange. It operates much like an exchange-traded fund, but, like all unit investment trusts, it has an expiration date, while ETFs do not. Its ticker symbol is DIA.

2. A valuable commodity consisting of very hard gem stones used in jewelry and tools. Diamonds may be traded on any of a number of exchanges. See also: Blood diamonds.


See Diamond.
References in periodicals archive ?
Total DIA Services Market: SONET OC48 Revenue Forecast, United States, 2009-2016 40
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Beat Widler, DIA Advisory Council of Europe, Clinical Quality and Risk Management Expert
Tatsuo Kurokawa, DIA Advisory Council of Japan, Keio University Faculty of Pharmacy
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The support of The Kresge Foundation is a testament to their commitment to the community and the DIA is eager to build on the momentum this grant provides the region's largest capital campaign initiative ever," added Beal.
The money raised in the year-long DIA fund-raising campaign, which began in May 1993, will be used to reopen galleries at the museum, strengthen educational programs, maintain gallery displays and restore special exhibitions.
The mission of the DIA is to serve and develop members by providing a neutral, global forum that promotes the exchange of information critical to professional performance and achievement.
Fourteen members of the Rockwell Club, an employee organization based at its automotive headquarters in Troy, were also honored by Roudebush and the DIA for their participation in the DIA's Super Sundays program.
Snodgrass, the president of Days Inns, and the newly appointed president of HFS, said, "We are delighted that the DIA franchise system has joined with HFS, emerging from Chapter 11 as a financially strong company, performing well at the operating level, poised for growth and with our strong position in the industry intact.
For more information on other DIA events, visit www.