Question

City of belgium which is the worlds biggest diamond trading compqny location

Answer 1

Hey mate "Rubin&Zenon"is the world biggest diamond trading company from Belgium
may this will help u!!

Answer 2

Antwerp's

Antwerp'sAntwerp's diamond district, also known as the Diamond Quarter (Diamantkwartier), and dubbed the Square Mile, is an area within the city of Antwerp, Belgium.