Remarkable progress in CVD methods of diamond synthesis has made it possible to prepare diamonds suitable for radiation detection with tailored properties on routine basis. Continuing improvements in CVD methods offer exciting future advancements and large area homo-epitaxial grown single crystal diamond plates/films. There are many applications such as RF diodes, BJT, FET, MEMS and electronic industry due to promising results shown by CVD diamonds. Continued innovation and sustained efforts would give direction in medical field such as radiotherapy dosimeter.