Nasibu Abdul Juma (born 2 October 1989), popularly known by his stage name Diamond Platnumz, is a Tanzanian bongo flava recording artist and dancer from Tanzania. 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.[2] 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.[3] 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 is a dedicated Muslim.[4] In 2010, he endorsed Tanzania's dominant ruling party, the Chama Cha Mapinduzi (CCM) and its presidential candidate, Jakaya Kikwete.[5] He also recorded a remix of his single Mbagala, titled CCM Tusonge Mbele (CCM Let's Move Forward).[6]

Diamond is jointly managed by Babu Tale and Said Fella from the Tanzanian music industry.[7]

With his former spouse, South African based Ugandan businesswoman Zari Hassan,[8] he has two children.[9][10] He has a third child with the model Hamisa Mobeto.

Diamond Platnumz released his debut album on 14 March 2018 in Kenya.[12][13]

Most of Diamond Platnumz' songs have been said by many[by whom?] to be the most popular ever from any Tanzanian music artist.[citation needed]

A Boy From Tandale - official released on March 14, 2018

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 4 awards at the 2010 Tanzania Music Awards.