"Ōgoe Diamond" (大声ダイヤモンド, Ōgoe Daiyamondo) is the 10th major single by the Japanese idol group AKB48, the 12th overall and the first on King Records,[1] released on October 22, 2008.

It reached number 3 in the Oricon weekly singles chart.

[3] The single was released in two versions, CD+DVD both: Regular Edition (通常盤) (catalog number KIZM-23/4) and Theater Edition (劇場盤) (catalog number NKZM-1001/2).

All lyrics are written by Yasushi AkimotoBonus (First press only) All lyrics are written by Yasushi AkimotoBonus (First press only) It was the first selection for Rie Kitahara, Miho Miyazaki, Rino Sashihara, Jurina Matsui.

While Rina Nakanishi, Ayaka Umeda, Megumi Ohori, who participated in "Baby!