Nasibu Abdul Juma (born 2 October 1989), popularly known by his stage name Diamond Platnumz (or simply Diamond), is a Bongo Flava recording artist and dancer from Tanzania. He is best known for his hit song “Number One”. Diamond has won numerous awards at Channel O and the Prestigious HiPipo Music Awards. He performed at the Big Brother Africa 7 eviction show in May 2012. Diamond is considered influential among his fans, and is said to be the most loved and decorated Tanzanian artist at the moment.