Research on mass customization suggests that this type of offer delivers more value to the customer. This article provides answers to the following research question: How interpersonal differentiation value of the mass-customized Product influence the overall perceived value of MC?. we explore interpersonal differentiation value in need for optimization (NFO), centrality of visual product aesthetics (CVPA), and consumer need for uniqueness (CNFU) . A conceptual model grounded in involvement theory, the functional theory of attitudes, and theories on the desirability of uniqueness is proposed and empirically tested. The goal of this research is development and the way of this research is survey- analysis. Statistical population of research is two hundred one undergraduate business students of Iranian universities. Generally, the data support significant relationships between the three dimensions of interpersonal differentiation value and the overall perceived value and buy tendency of MC .