Bonas Group Employee Directory
MiningFlanders, Belgium11-50 Employees
Bonas Group operates as an independent tender and auction house for diamonds and gemstones, representing twelve mines across three continents. Based in Antwerp, Flanders, Belgium, the fifth-generation, family-owned business blends long-standing stability with the agility needed in a changing market. It positions itself as the largest independent tender and auction house in its space and the oldest diamond brokerage and consultancy firm globally, delivering regular tenders and auctions for mining companies and private sellers while managing relationships with De Beers to optimize direct rough-diamond supplies and opportunities. Beyond sale events, Bonas provides value chain consulting and industry reporting across the diamond pipeline, including topics such as lab-grown diamonds and regulatory compliance. Its client base includes mining companies and other sellers seeking access to international markets and more efficient sales channels. In March 2026, Petra Diamonds Limited partnered with Bonas Group to provide diamond sales and marketing services.
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