General Info: DIA (다이아; short for Diamond, also known as Do It Amazing) is an eight-member girl group under MBK Entertainment. They debuted on September 14, 2015 and have composed/written many of their own songs over the years. Several members of DIA have competed in survival shows.

The group has had 2 sub-units: BCHCS and L.U.B

Members:

• Eunice
• Jueun
• Huihyeon
• Yebin
• Chaeyeon
• Eunchae
• Somyi

Former members:

• Seunghee (2015 - 2016)
• Eunjin (2015 - 2018)