Abstract: The unique properties of single crystal diamond (SCD) were stimulated the study of and search for its applications in many fields , including optics and electronics .In this article, the promising approaches to fabricating large size SCD were described while defects were presented simultaneously . Development status confirms the expectations thereby implying the feasibility of these methods of reaching required dimensions .

Key words: The unique properties of single crystal diamond (SCD) were stimulated the study of and search for its applications in many fields , including optics and electronics .In this article, the promising approaches to fabricating large size SCD were described while defects were presented simultaneously . Development status confirms the expectations thereby implying the feasibility of these methods of reaching required dimensions .