DIA is a South Korean girl group formed by MBK Entertainment in 2015. The group consisted of the members Eunice, Huihyeon, Yebin, Chaeyeon, Eunchae, and Jueun. In September 2022, the group left their previous entertainment company and has been inactive since then.

DIA stands for "Diamond," and the members shine like diamonds on stage with their talent and charisma. The group is known for their diverse music styles, ranging from pop and R&B to ballads.

Their hits like "Somehow," "Mr. Potter," and "WooWoo" topped the charts and won the hearts of many fans. DIA is recognized for their powerful live performances and harmonious vocal arrangements. Besides their music career, the members of DIA have also appeared in various TV shows and dramas, showcasing their versatility and talent.

Since DIA left MBK Ent. in September 2022, it is assumed that the group has disbanded.