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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 ?
As reported earlier (news release of October 7, 2005), till samples were collected over selected geophysical targets within the Parry Peninsula Kimberlite Field and in the vicinity of existing till sample anomalies as well as in the previously unsampled regions of the central claim block.
Geological logging of the drill core indicates that the Brauna 3 pipe is a macrocrystic micaceous hypabyssal kimberlite.
The Spider-KWG find increases the total number of announced kimberlites in the Attawapiskat cluster to 21.
The current drilling campaign by Vaaldiam and Majescor on the Brauna 3 pipe now indicates that the kimberlite has a surface area of approximately 1.
The kimberlite was originally believed to be 400 metres long and 250 metres wide, but new interpretation of the data indicated the anomaly is about 700 metres long and 300 metres wide.
In light of the close proximity to producing diamond mines, the presence of numerous diamondiferous kimberlites and kimberlite indicator minerals, management is of the opinion that these claims are highly prospective for the further discovery of diamonds.
On July 18, Sudbury Contact reported in a press release that there was "large tonnage potential and good diamond recoveries" in kimberlite pipe 95-2.
which Diagem owns over 30% of the outstanding shares, is developing plans to explore and sample various kimberlite occurrences in the area of the De Beers Victor kimberlite swarm.
As a quaternary geologist, Morris' studies have been focused on overburden primarily associated with the last glaciation to determine whether or not kimberlite indicators are actually embedded in the bedrock, as opposed to being transported from other areas.
We're just trying to get a better handle on the orientation of some of these kimberlite dikes to see which direction they're going in.
This area lies on the northern extension of the Trans-Superior Tectonic Zone (TSTZ), which encloses kimberlites and kimberlite-like ultramafic lamprophyre dykes in Michigan.