Europe has long since been a diamond mecca for both the importing and exporting of diamonds, as well as cutting and polishing.
Two major centers for such activity are Antwerp in Belgium and Amsterdam in the Netherlands. Antwerp’s diamond district is also known as the Diamond Quarter (Diamantkwartier) or dubbed the Square Mile. Although it only covers about one square mile, 84% of the world’s rough diamonds have passed through the district. It is largest diamond district in the world with an annual turnover of about 55 billion dollars.
Tours, as well as sales, are happily provided at either location: see www.amsterdamdiamondcenter.com or belgiumdiamonds.net.