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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.


Registered name for interest in a trust that holds all 30 stocks included in the Dow Jones Industrial Average. Ownership of a Diamond allows an investor to track the DJIA with a single investment. Diamonds are traded on the American Stock Exchange under the symbol DIA.
References in periodicals archive ?
Bear in mind that these average per-carat prices relate to rough (uncut) stones, with a huge differential between the amount paid for large, high-quality gems and run-of-the-mill industrial diamonds.
There is a very large market for industrial diamonds.
DE BEERS CENTENARY AG PLED GUILTY in July and was sentenced to pay a $10 million criminal fine to resolve a longstanding indictment for conspiring to fix the price of industrial diamonds in the United States and elsewhere.
During this time, he was involved in a number of controversies, including price fixing, antitrust behaviour and an allegation of not releasing industrial diamonds for the US war effort during WWII.
Industrial Diamond Association of America, Industrial Diamond Association of China, Industrial Diamond Association of India, Industrial Diamond Association of Japan, Japan Society for Abrasive Technology, TechSolve, Unified Abrasive Manufacturers Association and The University of Toledo.
Generally, processing the hardest materials -- glass, stone, carbides -- represented the major areas for industrial diamond use.
Foreign private investment is limited to minority shareholding in the industrial diamond mining operations at Mbujimayi and the decreasing tin-tungsten operations.
The Industrial Diamond Market Review is an absolutely essential resource for anyone interested in detailed information on the reviewed market.
Kane, executive director, Industrial Diamond Association (IDA) of America, Columbus, OH, calls Intertech 2003, "the global meeting of minds" in an industry that includes grinding, machining, turning, sawing, wire drawing, polishing and literally every other aspect of manufacturing and production.
Cranfield Precision and De Beers Industrial Diamond have used a modified Delta.
A quicker and easier way is to use a flat surface encrusted with thousands of industrial diamond particles.
over 5 Mt/y) and has a major participation in the industrial diamond market through its 29% share in Argyle diamonds.

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