Ukrainian President Volodymyr Zelensky on Thursday told the Belgian parliament that achieving lasting peace in Ukraine was more valuable than Russian gas or diamonds, AFP reported.

"There are those for whom Russian diamonds that are sometimes sold in Antwerp are more important," Zelensky said in a video address to Belgian lawmakers, referring to the historic diamond market in Belgium's port city.

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"Peace is more valuable than diamonds, than Russian ships in the ports, than oil and gas -- so help us," he said.