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

Roman Karakurkchi: Maintaining the highest standards of jewelry craftsmanship

Roman Karakurkchi is the founder of the Roman Karakurkchi jewelry brand and the International Jewellery School that brings together instructors from Russia, the USA, the Netherlands, Spain, Belgium, Italy, and Germany, as well as students from 65 countries...

03 august 2026

Mehul Shah pledges to bring new approach to leading WFDB

Mehul N. Shah, who was elected in July as President of the World Federation of Diamond Bourses at the 41st World Diamond Congress in Singapore, is one of India's best-known diamantaires and a prominent leader in the international diamond industry...

27 july 2026

Charlotte Rose on making history, modernising the London Diamond Bourse, and why finance is the industry’s silent crisis

When Charlotte Rose was elected president of the London Diamond Bourse in June 2026, she didn't just break an 86-year tradition—she became the first woman to lead any diamond bourse globally. In an exclusive interview with Rough & Polished’s Mathew...

20 july 2026

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

Valterra Platinum appoints two independent directors

18 july 2025

Valterra Platinum, formerly Anglo American Platinum (Amplats), has appointed Deborah Gudgeon and Thoko Mokgosi-Mwantembe as independent non-executive directors, marking a significant enhancement of its board leadership and governance structure.

The new appointments bring valuable expertise and diverse perspectives to the boardroom as the company prepares for its secondary listing on the London Stock Exchange.

With these additions, the board now comprises eleven independent non-executive directors and two executive directors, achieving an optimal balance of skills, experience, and independent oversight.

Valterra mines, smelts and refines platinum group metals (PGMs) and associated co-products from its operations located in South Africa and Zimbabwe.

Mathew Nyaungwa, Editor-In-Chief, Rough & Polished