The emergence of diamond art, or diamond painting, has sparked interesting discussions about its psychological effects and benefits. Although there's limited research specifically connecting diamond art to the treatment of psychological conditions such as narcissistic personality disorder, schizophrenia, or tendencies towards criminal behavior, insights from the broader field of art therapy can shed light on its potential mental health benefits. This article explores how participation in diamond art could impact mental well-being, drawing from relevant research and theories in art therapy. Diamond art combines precision and creativity, which may offer psychological advantages similar to those observed in art therapy. Despite the lack of direct studies, the foundational concepts of art therapy indicate possible benefits for mental health. Diamond art demands concentration and patience, reflecting the mindfulness practices that are known to reduce stress and improve mental health. The art therapy field highlights the role of art in promoting emotional expression, cognitive enhancement, and stress reduction, suggesting that activities like diamond art could offer parallel benefits for those seeking non-verbal ways to process emotions and find relaxation. The specific effects on particular psychological disorders are yet to be fully investigated, opening up avenues for future research into the therapeutic value of this creative endeavor.