Nirav Modi. File pic

The DRI today lodged a case against diamond merchant Nirav Modi and his firms for allegedly diverting diamonds and pearls worth Rs 890 crore to domestic markets through units located in the Surat SEZ, an official said. The case pertains to alleged diversion of duty-free goods by units of Nirav Modi group of companies --Firestar Diamond International Pvt Ltd, Firestar International Pvt Ltd etc -- based in the Surat Special Economic Zone.