Yoram Dvash: Industry unity, producer leadership and marketing investment key to natural diamond's future

The natural diamond industry is navigating a period of significant transition, but there are increasing signs that the foundations for a stronger and more positive future are being built, according to the World Federation of Diamond Bourses (WFDB)...

29 june 2026

AWDC: First fully traceable artisanal diamonds from DRC sold on the international market in Antwerp

In a historic milestone for the diamond industry, fully traceable, artisanal diamonds from the Democratic Republic of Congo have been sold on the international market for the very first time in Antwerp. Below, Ine Tassignon, AWDC spokesperson, provides...

22 june 2026

Natural diamonds most desired luxury jewellery, Gen Z spending double baby boomers, reveals De Beers report

Natural diamonds remain the most desired jewellery item among US consumers, with Millennials and Gen Z driving demand value and spending, according to De Beers Group’s The Diamond Report, which draws on the biannual Diamond Acquisition Study of 18,500...

15 june 2026

Edahn Golan: India’s lab-grown diamond exports surpass natural diamonds by volume, yet value gap widens

India’s diamond industry has reached a historic turning point. In March and April 2026, the volume of lab‑grown diamond exports overtook that of natural diamonds, with lab‑grown stones accounting for 51% and 50.4% of total export volume respectively...

01 june 2026

Dr M’zée Fula-Ngenge: Kimberley Process failing Africa

The Kimberley Process (KP) is failing Africa, and the world's definition of a “conflict diamond” is a moral and legal absurdity, according to the African Diamond Council (ADC) chairperson M’zée Fula-Ngenge. The following exclusive...

18 may 2026

Southstone signs diamond production-exploitation JV

12 october 2020
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Image credit: Southstone



Southstone has entered into a production - exploitation joint venture operating agreement with Gumrock Mining, which allows it to follow its corporate strategy to quickly exploit near term diamond production opportunities in South Africa.
The joint venture, it said, contemplates operations ranging from 7,000 to 40,000 tonnes per month.
It has a term of five years commencing from 1 October 2020 to 30 September 2025 and will focus on extracting diamonds from any concessions or mining permits that may be agreed to by both parties within South Africa. 
The joint venture denotes a 50%-50% split of all operating costs and all profits or losses
Meanwhile, Gumrock, on behalf of the joint venture, has entered into its first contractors' agreement on portions of Farm Kareepan 177, Farm Goegedacht 197, Farm Kameelpan 148, Farm Leeuwfontein 185, and Farm Kameelboom 150. 
The property covers 1,819 hectares and is located in the North West Province of South Africa.
The joint venture has commenced test pitting on the property and to date over 60 test pits ranging from 1 to 5 meters in depth have been completed and mapped. 
It is anticipated that test pitting will continue for another 1 to 2 weeks and once an understanding is reached with the location of the favorable gravels, bulk sampling will commence.
Any diamonds recovered during this period will be sold on open tender.
Gumrock had been operating in the alluvial diamond mining business all over South Africa for over 26 years.

Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished