Diamond Platnumz, also known as Simba was born Naseeb Abdul Juma. He is an award winning Tanzanian singer,composer,and dancer.
He is the founder of WCB Wasafi/Wasafi Media/Zoom Production and serves as its Managing Director (MD). Platnumz performs Afro pop and Bongo Flava music genres.
Diamond Platnumz Birthplace and Early Life
Diamond Platnumz was born on October 2, 1989, at Amana Hospital in Dar es Salaam, Tanzania. Nasibu grew up in Tandale’s western district, where he shared a house with his mother and grandmother. As a result of unresolved tension between his parents, his father was absent from the picture.
An interesting facet of his lifestyle apart from coming from a humble background and a booming music career, Diamond is popularly known for being a playboy. Also, majority of his fans believe that he has a thing for older women considering the fact that he publicly dated Zari Hasan who was ten years older than him. Together with Zari, they have two children.
After their separation, he had another child with Hamisa Mobeto – a Tanzanian model cum singer. After which he got into a relationship with Tanasha Donna Oketch, a kenyan based radio presenter and musician. Diamond and Tanasha have a child together; Dilan.
Diamond’s parents are Ms. Sanura Kasimu and Mzee Abdul Juma. He was born and raised in Tandale, Dar es Salaam, Tanzania. His siblings include; Esma Platnumz, Queen Darleen and Romeo Abdul Jones.
LATEST IN 2025: Diamond Platnumz New Music & Career Milestones (2022–2025)
2022
- March 2022 saw the release of Diamond’s First Of All (FOA) EP—10 tracks blending Bongo Flava, Afropop, and Amapiano. Collaborators included Zuchu, Adekunle Gold, and Focalistic. In a landmark move, Diamond premiered all FOA music videos at a cinema in Tanzania—marking a first for the region.
2023
- Diamond reconnected with Congolese superstar Koffi Olomide for the single “Achii,” building on their previous collaboration via the 2020 track “Waah”.
- In November 2023, he clinched his third MTV Europe Music Award (EMA) as Best African Act, reaffirming his pan-African appeal.
- His single “Shu!” won multiple awards at Tanzania’s 2024 music ceremony, including Best Male Artist and Best Male Performer, while “Achii” won Best Dance Music of the Year.
2024
- Though only three solo singles dropped in 2024—“Mapozi”, “Komasava”, and “Holiday”—they ensured his continued dominance on streaming platforms across East Africa.
- At the East Africa Entertainment Awards (EAEA) 2024, he earned the title Overall Hit Maker of the Year, largely driven by hits like “Shu!”, “My Baby”, and “Zuwena”.
- Diamond became the first East African artist to exceed 400 million streams on Boomplay, and his YouTube views in 2024 soared to 440 million, far ahead of peers.
- In Kenya alone, his content logged 123 million YouTube views between September 2023 and 2024—making him the top‑streamed artist on the platform there.
2025
- Diamond joined an elite global group by surpassing 10 million subscribers on YouTube—earning YouTube’s Diamond Play Button. He became the first African artist to achieve this feat, celebrated at a ceremony in New York.
- At the 2025 Trace Awards in Zanzibar, he performed hits like “Komasava”, “Shu!”, and “Gidi” live, and secured the award for Best Global African Artist, highlighting his expanding continental footprint
Why Diamond is the most famous musician in East Africa
Diamond Platnumz’s diverse musical career has led him to collaborate with a wide range of iconic musicians. Some of these musicians comprise of: Neyo, Omarion, Fally Ipupa, Rickross among others. Naseeb’s great fame and worldwide recognition have also helped him land large and lucrative Brand & Product endorsement deals. He is the current brand ambassador of pepsi and its said that he secured a lifetime deal with the company.
Even Kenyan gospel musicians such as Willy Paul Msafi and Kelvin Bahati, for example, admire and look up to his legacy. As a result, Bahati founded the EMB Records record label while Willy Paul Msafi founded the Saldido International Record Label.
Notably, the two themed Kenyan Gospel male-dominant performers took their separate ways to complement Diamond’s musical approach. Various public outcries have been made, with some implying that the two have been mimicking the Simba Style of Music. Below is a video for one of Diamond’s earliest songs, Kamwambie.
Diamond Platnumz’s Music Journey
Tandale was a difficult place to live because his mother didn’t have a steady source of income. Nasibu, his mother, and his grandmother were forced to share a single room and rent out the remaining two rooms that were originally intended for Nasibu and his mother in order to pay the expenses.
In addition, Diamond’s Bongo Music is always forward-thinking. Especially after meeting one-on-one with Lizer, East Africa’s Best Audio Producer. Both the music mastery piece actuality and the music mix mastering might be bent by the two.
Another important element is that, despite his upbringing in terrible poverty, Diamond Platnumz has maintained a kind demeanor because to his celebrity and money. His Wasafi Media Team, his Management, and even his fellow singers signed to his Music Label deserve particular recognition. Mr. Lavalava, Mr. Mbosso Khan, Mr. Rayvanny, and Mr. Harmonize are among them.
He has a number of popular songs, including “Number One,” in which he collaborated with Nigerian singer Davido.
Diamond also won multiple honors at the Channel O Music Awards and the HiPipo Music Awards. In May 2012, he performed at the Big Brother Africa 7 eviction event. Moreover, he is unique among his supporters in that he is widely regarded as the most popular and decorated East African musician.
When Did Diamond Platnumz Realize His Music Breakthrough?
Diamond met Msafiri Peter nicknamed Papaa Misifa in 2009, and he decided to help Diamond develop his talent financially. They recorded his debut track, “Nenda Kamwambie,” as a tribute to his ex-girlfriend who abandoned him while he was broke. Diamond’s career in the music industry began with the song.
In 2010, Diamond released his debut album, Kamwambie. Two years later, the best-selling Lala Salama was released. He also appeared in an edition of the Big Brother Africa reality show in 2012.
In 2010, he endorsed Jakaya Kikwete, the presidential candidate of Tanzania’s biggest political party, the Chama Cha Mapinduzi (CCM). He also released CCM Tusonge Mbele (CCM Let’s Move Forward), a remix of his tune Mbagala. Diamond is managed by Tanzanian music industry veterans Babu Tale and Saidi Fellaaka Mkubwa Fella TMK.
On March 14, 2018, Diamond Platnumz released his debut album in Kenya. Many consider Diamond Platnumz’s songs to be the most popular ever recorded by a Tanzanian musician. The film A Boy From Tandale was released on March 14, 2018.
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