Exclusive
Diamond market crash is Africa’s opportunity, not its crisis – M'zée Fula Ngenge
Global natural diamond supply is forecast to fall below 95 million carats this year, the lowest since 1987. For Dr. M'zée Fula Ngenge, chairperson of the African Diamond Council (ADC), this is not a death knell but a clarion call. In an exclusive...
12 october 2026
Tracr passes 5 million rough diamonds milestone as De Beers expands provenance push
De Beers Group's blockchain-enabled traceability platform Tracr reached a significant milestone in 2025, with more than 5 million rough diamonds individually scanned and registered, up from 2.8 million cumulative registrations reported in 2024. The...
28 september 2026
South African diamonds head to Hong Kong: SDT partners with BRINKS for JGW 2026
South Africa’s State Diamond Trader (SDT) has confirmed the country's participation in Jewellery & Gem World Hong Kong (JGW) 2026 through a partnership with BRINKS. SDT marketing and communication manager Tsholofelo Gopolang Tselapedi...
14 september 2026
David Benderly: PermaScribe seeks to put trust mark on diamond table, not just girdle
In this interview with Rough & Polished’s Mathew Nyaungwa, PhotoScribe Technologies president and chief executive David Benderly explains how PermaScribe differs technically from conventional laser inscription, its potential to strengthen security, and...
31 august 2026
The great reset: Paul Zimnisky on supply catharsis, De Beers' bargain and the case for natural diamonds
The natural diamond industry is in the throes of its most profound reset in a generation. Supply is plunging to its lowest level since 1987 and De Beers—once valued at over $9 billion—is reportedly being sold for as little as $1 billion.
Lab-grown...
10 august 2026
Self-cleaning of the Ob River
09 january 2023
The Ob within Yamal retains the ability to self-clean. Russian scientists came to this conclusion after a three-year study. According to Yamal-Media, environmentalists found out, in particular, that the main waterway of the district is polluted with water from the southern regions of the Ob-Irtysh basin, but flowing through Yamal, the water becomes cleaner.
Nornickel completes gas duct assembly at Nadezhda Metallurgical Plant’s main shop as part of Sulphur Programme
06 january 2023
The Company has completed installation of a titanium gas duct in the main shop of Nadezhda Metallurgical Plant as part of the Sulphur Programme, Nornickel’s key environmental project to implement sulphur dioxide capture and recovery technologies. The largest piece of the assembly is as big as four metres in diameter. The gas duct is a key process chain element for the future production of sulphuric acid from gases generated during ore concentration.
Norilsk Nickel starts to study the ability of waste rock to absorb greenhouse gases
05 january 2023
The company has set an ambitious goal to reduce greenhouse gas emissions, and one of the ways to achieve this goal is to study the process of absorption of greenhouse gases by the rock and develop a methodology how to account for captured carbon units.
Nornickel reports its 2022 sustainability performance
04 january 2023
Nornickel has presented its sustainability performance for 2022. The Company’s management and members of the public discussed the stakeholders that today view sustainability as an important matter, and also presented the results of a stakeholder survey.
Scientists working towards stopping lithium-ion battery degradation
03 january 2023
Scientists at the University of Chicago have used a combination of high-powered electron microscopy and computational modelling to understand, at an atomic level, what happens when lithium-ion batteries degrade. Their research points toward one approach to designing longer-lasting lithium-ion batteries — by focusing on an oft-ignored structural component, the carbon binder domain.
Antofagasta’s Los Pelambres mine in Chile hit by blockade
02 january 2023
Antofagasta said on Thursday access to its Los Pelambres operation in Chile’s Coquimbo region is being blocked by a “small group of people, without connection to any specific incident or situation”.
‘Edge Solutions Enhance OEM Options’ – Article Preview
30 december 2022
Thishen Naidoo, Emerson, Canada, considers why mining operators are relying more heavily on their OEM suppliers to improve uptime and support, and why in response these equipment providers are enlisting edge technologies.
