Nasibu Abdul Juma (born 2 October 1989), popularly known by his stage name Diamond Platnumz, is a Tanzanian bongo flava recording artist, dancer and businessman from Tandale, Dar es Salaam. He has had several hit songs including "Number One" which he featured Nigerian artist Davido. Diamond 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 East and Central African artist at the moment. He is 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. Diamond also became the first African artist to accumulate as many as 2,190,778 subscribers on his YouTube channel.