Nasibu Abdul Juma Issack (born 2 October 1989), popularly known by his stage name Diamond Platnumz, is a Tanzanian bongo Flava recording artist, dancer, philanthropist, and businessman of Ha heritage. He was born and raised in Tandale, Dar es Salaam. He is the founder and CEO of WCB Wasafi Record Label, Zoom Extra, Wasafi Bet, and Wasafi Media. Diamond has gained a cult following in East and Central Africa. He became the first Africa-based artiste to reach a combined total of 900 million YouTube views.
After signing a record deal with Universal Music in 2017, Platnumz released his third studio album, A Boy from Tandale (2018). In 2021, Diamond together with his record label WCB Wasafi entered into a 360 Partnership with Warner Music Group.
His career began in 2006 then aged 17 years old while selling clothes. He would record songs with the money he earned from the clothes business and eventually recorded his first single “Toka Mwanzo”, a Bongo Flava song fused with R&B. The song was not successful commercially.
His breakthrough hit single “Kamwambie” was released in 2010. The song won three Tanzania Music Awards. He then released his debut studio album Kamwambie same year in 2010.
In 2014, Platnumz earned a nomination at BET Awards 2014 for Best International Act: Africa.
Platnumz has frequently collaborated with videographer Director Kenny for his music videos. The music video for “Waah”, directed by Kenny, was nominated for “Best African Video” at the 2021 All Africa Music Awards. In 2022, he released his 10 tracks extended playlist where he featured top artists like Zuchu, Adekunle Gold, Focalistic, and many other top African artists.
Diamond is a Muslim. With his former partner, South African-based Ugandan businesswoman Zari Hassan, he has two children. He became a father for the third time with Tanzanian model Hamisa Mobeto. As of 2019 Diamond was dating Kenyan model and musician Tanasha Donna, with whom he fathered one son, born in October 2019. The two have since separated with Tanasha Donna flying back to her home country, Kenya.
Diamond is the cousin of Tanzanian socialite-cum-DJ, Romeo Abdul Jones, professionally known as Romy Jones. He also has two sisters, musician Queen Darleen, and entrepreneur-socialite Esma Platnumz.
In 2010, he endorsed Tanzania’s dominant ruling party, the Chama Cha Mapinduzi (CCM), and its presidential candidate, Jakaya Mrisho Kikwete. He has released further songs with lyrics supporting CCM, such as “CCM Tusonge Mbele” (“CCM Let’s Move Forward”).