The applications for which CVD diamond films can be used are closely related to the various extreme physical properties it exhibits. Some of these applications are already beginning to find their way into the marketplace; however, some, including some of the more sophisticated electronic applications, are still a number of years away. Until recently, the main issue preventing the wide-scale use of CVD diamond has been economic - the coatings were simply too expensive compared to existing alternatives. However, as higher power deposition reactors become standard, the cost for 1 carat (0.2 g) of CVD diamond fell below US$ 1 in the year 2000, making the use of CVD diamond much more economically viable, and finally allowing engineers the opportunity to exploit its vast array of outstanding properties in a wide variety of different applications.

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