Naseeb Abdul Juma (born 2 October 1989), popularly known by his stage name Diamond Platnumz (or simply Diamond), is a Bongo Flava recording artist and singer from Tanzania. He is best known for his hit song “Number One”. Diamond has won numerous awards at Channel O and the 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. He was believed to be the highest selling Tanzanian artist of ringtones by mobile phone companies in 2013, as well as being among the artists earning the highest income in the African Great Lakes region’s music industry.