DIA (Korean: 다이아; Japanese: ダイア; short for DIAMOND, also known as Do It Amazing) is a seven-member girl group under MBK Entertainment. They debuted on September 14, 2015 with the album "Do It Amazing".
Seunghee (Cho Yihyeon) left the group in April 2016 to focus on acting. Eunjin decided to leave the group in May 2018 to focus on her health. Jenny (Lee So Yul) also left the group in July 2019 for health issues. Somyi departed the group in January 2022 after deciding to terminate her exclusive contract.
Korean: 유니스
Japanese: ユニス
Korean: 주은
Japanese: ジュン
Korean: 희현
Japanese: ヒヒョン
Korean: 예빈
Japanese: イェビン
Korean: 채연
Japanese: チェヨン
Korean: 권채원
Japanese: ウンチェ