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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 ?
00cts and larger Fancy, Intense & Vivid Color & FL-VS2 Clarity - but at correspondingly exponentially higher price points - since these are much larger Diamond Rough - all with the same Guaranteed Minimum Resulting Loose Polished Diamond Yields & Specifications as documented via GIA Diamond Grading Certificates.
The compound annual growth rate (CAGR) of the industry from 2009 to 2014 stands at six per cent for polished diamonds and five per cent for diamond jewellery.
Dubai also recorded a 100 per cent increase in the volume of total polished diamonds traded, reaching 163.
Building on this robust growth of the polished diamond trade, DMCC recently announced the first Middle East-China Diamond and Jewellery Summit (MECDJS), to further consolidate Dubai's role in the value chain of the global diamond and jewellery industry.
This has boosted the value of China's net exports of polished diamonds by 72 per cent in the past five years to $8.
The Dubai Diamond Exchange (DDE), a subsidiary of Dubai Multi Commodities Centre (DMCC) and a leading global diamond trading platform, recently hosted the first polished diamond auction of its type in the region.
The typical polished diamond has 57 or 58 facets, each proportioned in geometric relation to the others.
Overall polished diamond prices and trading volumes have returned to early 2008 pre-recession levels and stabilized during the second half of 2010.
I feel polished diamond prices can easily increase another 20 to 25 per cent from here before the end of this year as typically during summer American retailers start their buying for thanks giving and Christmas season.
The International Institute of Diamond Grading & Research (IIDGR), a De Beers Group company, has entered a partnership with one of Japans leading bridal jewellery retailers, I-PRIMO, to provide polished diamond grading reports.
Group activities include publishing, research and marketing services, internet information and diamond trading networks, global rough and polished diamond tenders, diamond certification, quality-control, compliance, shipping, and financial services.
Diamond mines remove some 275 tons of ore in order to make a one-carat, gem-quality polished diamond.