Listen to DIAMOND DAYS online. DIAMOND DAYS is a Japanese language song and is sung by Kana Yabuki (CV: Ibuki Kido), Minako Satake (CV: Eri Ozeki), Karen Shinomiya (CV: Yui Kondo), Mizuki Makabe (CV: Rika Abe) and Reika Kitakami (CV: Emi Hirayama). DIAMOND DAYS, from the album THE IDOLM@STER THE@TER ACTIVITIES 03, was released in the year 2016. The duration of the song is 5:22. Download Japanese songs online from JioSaavn.