A Belgian court sentenced eight people for up to six years in prison for smuggling conflict diamonds into Antwerp from Africa, reports Reuters. Those convicted also were fined $81.77 million for failing to declare the diamonds to customs by the criminal court in Antwerp on Dec. 6.

Ringleaders Samih Ossaily and Aziz Nassour were sentenced to three and six years in jail, respectively, for importing diamonds from conflict areas of Sierra Leone and the Democratic Republic of Congo. The court sentenced six other members of the ring to serve up to 30 months in prison.