Thoko's Diamonds

Established in 2004, Thoko’s Diamonds is one of the leading, black-owned diamond-cutting and polishing companies in South Africa.

Driven by their passion for diamonds, combined with innovation, Thoko’s Diamonds provides rough and polished diamonds to local and international markets.

Thoko Zwane

With a combined experience of over 30 years, its directors Thoko Zwane and Zipho Dlamini ensure trust and integrity are the centre of their business.

Zipho Dlamini

Thoko means joy in isiZulu, which aptly represents the happiness that diamonds from Thoko’s Diamonds give to its clients.


To be South Africa’s most reputable diamond cutting and polishing company that is globally recognized for producing high-quality stones.


To grow our client base in local and international markets by providing a continuous supply of high-quality stones, while playing a significant role in empowering women in the South African diamond industry.


Thoko’s Diamonds is one of the 5 companies chosen by De Beers through a rigorous selection process for their beneficiation project.

De Beers’ beneficiation project was established to pioneer the growth of the top black-owned diamond companies and drive the transformation of the diamond manufacturing industry in South Africa.