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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.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


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.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.
References in periodicals archive ?
Some of the key companies in the market are ALROSA; De Beers Group; Industrial Diamond Laboratories, Inc.; Scio Diamond Technology Corp.; and Morgan Advanced Materials
Generally, processing the hardest materials -- glass, stone, carbides -- represented the major areas for industrial diamond use.
Tel-Con Industrial Diamond Tools' products are made from polycrystalline diamonds with abrasion resistance 150 times greater than carbide and up to 300 times longer life than carbide, the company says.
Another of its subsidiaries, Sibeka, owns 20% of the industrial diamond company, MIBA, which started to increase production last year after a long crisis period.
In 1946, when the Industrial Diamond Association was launched, only three products were available - stones, crushed boart, and micron powders.
For lighter sections, a vertical bandsaw with a 60-grit industrial diamond blade and flood cooling works well.
According to a soon-to-be-released Business Communications Co Inc study, New Industrial Diamond and CBN Technology Markets, the US diamond and CBN materials and products industry, consisting of over 350 companies, interfaces directly with the heavy, automotive, high-technology, construction, and stone-cutting industries through the widespread use of diamond and CBN products for grinding, cutting, polishing, and finishing operations.
Sub- Saharan Africa produces 77 per cent of the world's platinum metals; 60 per cent of its cobalt (used for batteries and metal alloys); 46 per cent of its natural industrial diamonds; and an abundance of gold, uranium, oil, and gas.
an industrial DGBSS Sightholder (and one of the oldest remaining DeBeers' Sightholder) specializes in natural industrial diamonds for dressing, drilling, cutting and wear applications - while the LANDS Superabrasives division produces, micronizes, assorts, crushes, coats and treats a full range of natural and synthetic diamond and CBN powders and grits.
Diamond Sharpening Cards are coated on one side with a continuous surface of small industrial diamonds and the flat, hard stainless steel surface of the card is designed to not easily groove or ditch over time, the manufacturer states.

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