The Russian Rough Belgian-EU Corridor
The Russian Rough Belgian-EU Corridor
Antwerp's century as the European clearing house for Russian rough — and how the 2024 sanctions ended it
The Russian rough Belgian-EU corridor describes the dominant historic route by which Russian-mined diamonds, principally from the Yakutian operations of ALROSA and its Soviet predecessors, entered the European Union. From the late Soviet era through 2023, that route ran through Antwerp, where the Antwerp World Diamond Centre (AWDC) coordinated import, sorting, valuation, and onward distribution to Indian cutting centres, Israeli traders, and bourse buyers across the EU. The corridor is now substantially closed by the G7 and EU sanctions package that took phased effect through 2024, and the trade structures that depended on it are still adjusting.
How the corridor was built
Antwerp's relationship with Russian rough predates the modern AWDC. The city's role as the European cutting and trading capital had been established by the seventeenth century, and Soviet sales offices established channels into Antwerp from the 1960s onward. After the dissolution of the Soviet Union, ALROSA — the publicly listed but state-controlled successor to the Soviet diamond mining apparatus — formalised long-term sales agreements that routed a substantial fraction of its rough through Antwerp tenders and through long-term contracts with select Antwerp-based sightholders.
By the 2010s, Antwerp was processing roughly a third of the world's rough diamonds by value, and Russian material accounted for an estimated quarter to a third of that flow. The AWDC's Diamond Office handled customs declarations, valuation, and Kimberley Process certification for incoming Russian goods. Onward, the rough moved principally to Indian cutting houses (Surat, Mumbai), to Israeli traders, and to a smaller fraction of Antwerp's own remaining cutters and dealers.
The 2024 sanctions and the corridor's collapse
Following the Russian invasion of Ukraine in 2022, the G7 announced in December 2023 that direct imports of Russian-origin diamonds into G7 jurisdictions would be banned from 1 January 2024, with imports of Russian-origin diamonds polished or processed in third countries (the so-called indirect ban) phased in from 1 March 2024 and extended to smaller stones progressively through that year. The EU implemented parallel measures in its twelfth and thirteenth sanctions packages.
The sanctions are written around country of origin rather than country of last processing, which is the structural innovation that distinguishes the diamond measures from earlier commodity sanctions. Implementation requires verifiable origin documentation, and the G7 mandated that imports of one-carat-and-above polished diamonds into G7 countries from 1 March 2024, and half-carat-and-above from 1 September 2024, be accompanied by traceability information sufficient to exclude Russian origin. For Antwerp, the practical effect was the disappearance of legitimate Russian-origin volume from declared imports, and a rapid pivot by the AWDC to position Antwerp as the verification node for non-Russian rough.
Where the volume went
Russian rough has not stopped being mined; ALROSA continues to produce, and the material has found alternative routes outside G7 jurisdictions. The most-cited destinations are Dubai (DMCC), where rough is traded without the G7 origin disclosure regime, and direct sales to Indian cutting houses through non-G7 intermediaries. Industry analysts have documented sharp increases in DMCC rough turnover during 2024 that broadly correspond to the Antwerp shortfall. The Indian cutting industry, which depends on rough volume, has accommodated the change but has come under increasing pressure to demonstrate that polished exports to G7 markets exclude Russian-origin material.
The traceability response
The corridor's collapse has accelerated several traceability initiatives that had been advancing slowly before 2022. The G7 has named the World Diamond Council, the AWDC, and selected national customs services as the operational backbone for origin verification. De Beers' Tracr platform, GIA's M2M and origin-reporting programmes, and several blockchain-anchored systems (Sarine Diamond Journey, Everledger's residual programmes) have all seen renewed institutional interest. The Kimberley Process, which addresses conflict origin rather than state-of-mining origin, has been criticised for its inability to address the Russian question and is the subject of ongoing reform discussions.
What the corridor leaves behind
Antwerp retains substantial residual capacity in cutting, certification, and trading, but its position as the structural hub for Russian rough is gone for the duration of the sanctions and is unlikely to be fully restored even when sanctions eventually lift. The AWDC has reframed its mandate around verified-origin rough and around services to non-Russian producers. Belgian government revenue tied to the diamond trade has dropped meaningfully, and several long-established sightholder firms have closed, merged, or relocated.
For the consumer-facing trade, the corridor's collapse has translated into a significant tightening of provenance documentation. Polished diamonds presented to retailers and to laboratories now routinely arrive with traceability paperwork extending back to mine or to verified non-Russian rough source — a level of provenance discipline that was uncommon before 2024 outside the canadian and lab-grown segments.
In the trade
Buyers and sellers of natural diamonds at the high end now treat origin as a first-order question rather than an optional disclosure, and contracts increasingly specify Russian-exclusion warranties. The corridor's name remains useful as historical shorthand, but as an active route it is, for now, a closed chapter.