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

Russian scientists develop a method for extracting lithium from pegmatites

06 march 2024

Specialists of the Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials have improved the sulfuric acid technology, which ups the extraction rate of lithium from pegmatites to about 90%.

According to RIA Novosti, experts have improved the existing method. The improvement will allow to extract 98% of the metal. The end products are lithium carbonate or lithium hydroxide.

The report clarifies that the institute synthesized solid electrolytes with the NASICON structure from lithium carbonate. This product is considered optimal for use in the manufacture of solid-state lithium-ion batteries.

The application of sulfuric acid technology requires large volumes of sulfuric acid. The Kola Mining and Metallurgical Company, part of Norilsk Nickel, can become a supplier of raw materials.

Alex Shishlo for Rough&Polished