Nungu Diamonds (Pty) Ltd is a South African licensed loose diamond manufacturer; a process commonly known as diamond beneficiation.

Nungu Diamonds has its cutting and polishing factory situated in the heart of Africa’s metropolitan hub Johannesburg, South Africa.


Nungu Diamonds is a diamond polishing firm founded in the year 2013 when the business began its diamond polishing activities. The company is owned by Mr. Kealeboga Pule (also known as KP Pule)


Mr. KP Pule holds an LLB Degree from the University of North West, Mahikeng Campus. KP Pule has undergone diamond polishing, sorting and pricing with South African Diamond Corporation (SAFDICO) a DTC Sightholder.

In his seven (7) years in the diamond industry Mr. Pule has served in the executive committee of the South African Diamond Manufacturers Association and co-founded the South African Young Diamond Beneficiators Guild; he currently sits as its Vice President. Mr. Pule has also served in other capacities in the industry including in the steering committee of the South African Diamond Indaba and as a founding member of the International Young Diamantaires.

Mr. Pule started his three-year business development course at Raizcorp at the beginning of 2016 and graduated as Arize Diamond Best Entrepreneur at the end of his first year.


Nungu Diamonds holds a Diamond Beneficiation license which is issued by the South African Diamonds and Precious Metals Regulator.

The license permits the company to purchase unpolished diamonds from South African diamond mining companies, the South African State Diamond Trader (SDT) and/or at any Diamond trading house which is accredited or endorsed by the Regulator and complies with the Kimberley process. This protects the firm from being involved in conflict diamonds.


Nungu Diamonds operates with the principle that only the best in diamond quality will do for our clients. Our approach to business is that at the centre of the longevity of any business relationship is absolute integrity.

We commit to total compliance with all diamond industry regulations in South Africa and everywhere else in the world where we do business. As a guarantee to all our clients, Nungu Diamonds only manufactures conflict-free diamonds with an accompanying Kimberley Process certificate.


Integrity is a cornerstone on which Nungu Diamonds looks to build itself into a credible and reliable source of loose polished diamond supply both locally and internationally.

A high production quality in the manufacturing of polished diamonds is one element of Nungu Diamonds’ business that cannot be overemphasised. Only the best in high quality polished loose diamonds will do for our clients.

With Provenance. Substance. Authenticity as our core value drivers, every Nungu Diamond sold impacts lives, from the mining community to the diamond polisher and ultimately to YOU - our customer. With every Nungu Diamond, we give the answer to the “why behind the purchase."


To grow into a leading diamond manufacturing company

To maintain a high level production quality

To increase production capacity year on year

To become amongst the industry desired suppliers of choice for high quality polished loose diamonds


To develop lasting client relations

To provide continuous client satisfaction and develop fertile grounds for repeat business

To develop a new narrative for the diamond industry