David Johnson: De Beers charts cautious Angola return amid industry transformation

De Beers is rebuilding its presence in Angola through government partnerships and community engagement, marking a strategic comeback following its difficult exit years ago from the diamond-rich nation. However, De Beers spokesperson David Johnson cautioned...

24 november 2025

Maria Krasnova: Colored gemstones are a serious investment

Maria Krasnova, Executive Director of the renowned company “Samotsvety ot Sokolov” (Gems by Sokolov), spoke to Rough&Polished about the Gemstone project aimed at selling precious stones, as well as about current market trends, new challenges...

17 november 2025

Forging a new legacy: Tshenolo Ntshekang on building a black-owned diamond beneficiation business in South Africa

In an industry historically defined by limited access and foreign dominance, Tshenolo Ntshekang is carving a new path. The founder of Banzi and Karolo Projects, a black-owned diamond beneficiation business, Ntshekang, represents a growing wave of...

03 november 2025

Mahiar Borhanjoo returns to ‘The Heart Of The Diamond Business’

Having started his career in the diamond trade at De Beers in London, Mahiar Borhanjoo returned to the diamond giant last year as Chief Commercial Officer after working for a decade for other diamond companies. Mahiar explains why he returned to De Beers...

27 october 2025

Mubri president Ali Pastorini: You just need to play a transparent game and do everything possible to attract clients

Ali Pastorini, co-owner of the DEL LIMA JEWERLY and president of the Mubri International Association, which unites more than 2,500 wholesalers, retailers, and designers from 18 countries. In this interview with Rough&Polished Ali Pastorini talks about...

20 october 2025

Polyus pours first gold from Sukhoi Log’s ore

30 september 2024

Russian gold mining company PJSC Polyus poured the first gold bar from the ore obtained at its Sukhoi Log project located in the Irkutsk region. The ore was processed at the Verninsky MPP’s refinery.

"Obtaining the first gold from the ore of Sukhoi Log, one of the largest gold deposits in the world, is an important event for Polyus," commented the company's CEO Alexey Vostokov. "We have carried out extensive preparatory work to create the necessary infrastructure for the development of the deposit, and last year, thanks to additional exploration, we added another 3.5 million ounces of Sukhoi Log reserves to the balance sheet."

Located in the Bodaibo district of the Irkutsk region, the Sukhoi Log deposit is one of the largest undeveloped gold deposits in the world. According to 2023 estimates, Sukhoi Log reserves amount to 43.5 million ounces of gold at an average grade of 2.1 g/t. Resources amount to 81 million ounces at a grade of 1.8 g/t.

The company is currently conducting the feasibility study of the project. It plans to provide updated information by the end of 2024.

"The implementation of energy-efficient technologies and compliance with high environmental standards, in particular, the provision of renewable electricity, remain a priority for at the design stage and in the construction of the deposit’s infrastructure," Vostokov added.

Theodor Lisovoy, Managing Editor, Rough&Polished