The business characteristic of Islamic banks is the implementation of Islamic business ethics. Parallel with the trend of increasing preference to ethical institution, Islamic banks should put this as its competitive edge toward its competitor conventional competitor banks. However, only few previous studies discussed about the implementation of Islamic business ethics within Islamic banks and none suggested how to measure such implementation. This paper is a study of the literature on ethics and Islamic business ethics as the first step in developing a measurement tool of Islamic business ethics implementation within Islamic banks. This paper synthesizes the dimensions of Islamic business ethics that is excavated from the Quran and Sunna, being proposed by previous studies. There are seven dimensions, namely unity of God, benevolence, justice and equity, sincere, equilibrium, trusteeship and responsibility. Subsequently, this paper outlines these dimensions into 21 items. The opportunity of future empirical study is recommended at the end of this paper.