| InvestHub.com's Finance Dictionary and Glossary of Investment Terms Diamonds Definition 1.
Units of interest in the diamonds trust, a unit investment trust that serves as an index to the Dow Jones Industrial Average in that its holdings consist of the 30 component stocks of the Dow. | Definition 2.
1. An extremely hard gemstone used mainly for jewelry and tools.2. An exchange traded security, issued by the American Stock Exchange, that replicates the movements in the Dow Jones Industrial Average. |
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