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.
On 3 May 2014, Diamond Platnumz set a new record at the Tanzania Music Awards by winning 7 awards, including Best Male Writer, Best Male Artist, Best Song Writer and Best Male Entertainer of the Year. The previous record was set by 20%, a recording artist who walked away with 5 awards at the 2011 Tanzania Music Awards where diamond left empty handed.Prior to accomplishments, Diamond held the record for winning 3 awards at the 2010 Tanzania music awards.