Exclusive
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
Canada's Thunder Bay North Platinum Project Receives C$15 million in investments
A total C$15-million will be funded in two tranches, with the first C$10-million tranche having been funded on December 15 and the second tranche of C$5-million to be paid within the next three months, to allow for due diligence and a decision by Rio Tinto Exploration Canada on whether or not to sell its 1% NSR royalty on a portion of the project to Clean Air Metals for C$2-million.
Rio also has an alternative option to sell its 1% NSR to Clean Air Metals for C$3.5-million at a future date.
The Thunder Bay North project is a platinum, palladium, copper and nickel project, featuring a ten-year tamp-access underground mine plan and more exploration potential.
Vladimir Malakhov, Rough&Polished
