About Our Company

Outclass Crystallized Gems is a diamond cutting and polishing company, established in 2015. Situated in the very heart of Kimberley, South Africa amongst the very souls that are dear to the history of diamonds.

We offer Natural, Ethically & Responsibly sourced GIA Graded loose polished diamonds, as well as a service in custom-made diamond jewelry.

We’re a young company with big dreams. Our desire is to be one of the key players in South Africa’s diamond industry by continually working hard towards building a reputation for honesty and integrity, cutting-edge technologies, and community-mindedness.

Co-Founders & Shareholders

Desmond M Ratsoma
Co-Founder & Shareholder

Born in Polokwane, South Africa on the 1st of April 1986. Having currently been In the Diamond Industry for 12 years, working at Zurel Bros SA at the beginning of his career and then being lead to train students at the Kimberley International Diamond & Jewellery Academy. Mr Ratsoma has very core knowledge and experience of running a diamond cutting & polishing factory. Having trained over 200 students is also known for his expertise in the teaching of disabled students and will be a key player in helping these goal-driven and passionate youth step into the real world and make an actual living.

Robin S Bhebhe
Co-Founder & Shareholder

Born in Bulawayo, Zimbabwe on the 29th of April 1994 is very much the young blood of this organization. A very ambitious and driven young man, Mr Bhebhe has played for Zimbabwe U20 Rugby, been the Chairman of the Stock Market society at Falcon College and was awarded the best student overall at the Kimberley International Diamond & Jewellery Academy (KIDJA) in the Year 2013. This led to him obtaining a full bursary from DeBeers in the year 2014 to do further studies at KIDJA thereby enhancing his knowledge and experience in the diamond industry. In the year 2015, he was further awarded a scholarship by the Gemological Institution of America (GIA) to study Gemmology, whilst working as an Intern trainer at KIDJA. An Innovative and passionate young man who is motivated to bring everything he has to the table to see this company’s success.

Kamogelo Mangena

  • Born on the 2nd of September 1997, in a small town called Jane Furse in the Limpopo Province
  • Initially, Intended to study for a Bachelor’s in Social Work, but then found herself in the accounting stream. Nevertheless, she took the opportunity at hand and pursued a Bachelors of Commerce at the University of Limpopo.
  • Her mentor introduced her to a student chapter called AWCA(African Women Chartered Accountants), which she then served as the Vice-Chairperson in 2019.
  • This experience further helped her to grow as an individual, as she actively participated in community outreaches at high schools and numerous talks with professionals in the field.

Our Vision

To be the largest Diamond Cutting and Polishing firm In the World with leading advancement in all aspects of the field.

Become a key player in the growth of the Diamond Cutting & Polishing Industry in South
Africa and contribute to the economy at large.

Increase the assets and investments of the company to support the growth and development of the surrounding community.

Our Mission

Provide our Clients with superior quality diamond and jewelry products exceeding their
own expectations.

Build a strong and firm relationship with our clients by providing them with the necessary

Be professional and self-sustaining; providing customer satisfaction through the quality of our products.

Our Purpose

Revive the legacy once embraced by the city of Kimberley through the creation of jobs within the Northern Cape and South Africa as a Whole, equipping the local community with the skills needed In order to cut and polish diamonds for the Local and International Market, whilst creating unique experiences for its clients/customers.

Our Core Values

To work diligently.

Integrate honesty, professionalism, integrity and business ethics into all aspects of our
business functioning. We grow through creativity, invention, and innovation.

We’re a young company with big dreams. Our desire is to be one of the key players in South Africa’s diamond industry by continually working hard towards building a reputation for honesty and integrity, cutting-edge technologies and community-mindedness.”

With the above in mind, OCG is not only privileged but grateful for the organizations below which support us in our endeavour to CHANGE THE WORLD FOR THE BETTER!!!

Mineral Beneficiation has become an integral part of eradicating unemployment and poverty, not only in South Africa but across Africa itself. That beautifully cut & polished, 1.00ct D Flawless diamond’s purpose is not only to sweep a lucky lady off her feet but bring hope and a better standard of living to the man/woman who spends hours making sure the highest level of craftsmanship is achieved.

Thank you to all our supporting organizations

Kimberley Diamond Jewellery Incubator

KDJI was established in 2013 and registered as a non-profit company on the 16th April 2015. Our purpose is to establish and provide a diamond cutting, polishing and jewellery hub of domestic and international quality and excellence that stimulates economic growth and sustainable SMME development through incubation.

The Northern Cape Department of Economic Development & Tourism

The vision of the Northern Cape Department of Economic Development and Tourism is a radically transformed economy in the Northern Cape. The Department’s mission is to accelerate the economic growth and development of the Northern Cape Province through diversification, empowerment, employment, business creation and sustainable development.

QTS Kristal Dinamika

Established in 2005, QTS Kristal Dinamika is a Diamond Consultancy led by Mr Ray Ferraris. A highly reputable consultant with a global footprint having consulted for leading mining companies such as Namakwa Diamonds, Gem Diamonds, Lucara, Meya Mining, Lucapa, etc. The firm actively operates in South Africa, Botswana, Lesotho and Belgium.

While QTS Kristal mainly specialises in Diamond Valuation and Diamond Metallurgy/Geological Studies, the firm is also involved in rough diamond buying in the Republic of South Africa. OCGems is highly fortunate and privileged to have a mentor of Mr Ferraris calibre, bringing in invaluable expertise and experience.

CS Diamonds

CS Diamonds Pty Ltd was established in 1998. Our eclectic diamond background is what enables us   to sustain and develop a business combining diamond trading and consulting.

Through the years we have become an established landmark in the Diamond City of Kimberley. We have forged excellent relationships and built up tremendous trust with the diamond producers in South Africa, as well as with buyers from all over the world (India, Belgium, Israel, America, Russia, etc). We have secured an ongoing commitment from major producers, who steadily supply us with an immense variety of diamonds, covering all qualities and sizes


The Small Enterprise Development Agency (Seda) is an agency of the Department of Small Business Development. Seda was established in December 2004, through the National Small Business Amendment Act, Act 29 of 2004.

It is mandated to implement government’s small business strategy; design and implement a standard and common national delivery network for small enterprise development; and integrate government-funded small enterprise support agencies across all tiers of government.