Program aims to educate young consumers about mined stones’ positive qualities.
Measures call for freeze of assets and ban on access to funds.
Criminal case opens following incident at Udachny underground deposit, Russia’s Interfax says.
Company is Belgium-based subsidiary of Russia’s AGD Diamonds.
Company unearths 391-carat rough at Mayat mine in Yakutia.
Measures against Pavel Marinychev are part of efforts to restrict Russian military financing.