Thierry Polakiewicz

Mac Precious Stones BV is a diamond wholesaler founded in 1979. The private company is based in Antwerp, Belgium.

Seber Creations BV is a Belgian company that was founded in 1990 and wholesales diamonds and other precious stones. The private company is based in Antwerp, Belgium.

Antwerp World Diamond Centre provides diamond grading, training, research, trade and industry equipment to the diamond sector. Antwerp World Diamond Centre (AWDC) today serves as the international representative of the Belgian diamond industry. In so doing it represents the collective interests of the sector with all municipal, provincial, regional, federal and international bodies, and also promotes Antwerp as the world's leading diamond business centre. The company was founded in 1973 and is headquartered in Antwerp, Belgium.