For more than a century, Antwerp has been a crucial hub for a $100 billion global industry—one that virtually defines love ...

Rough diamonds, fit for cutting ... stated that such a diamond exists among the royal treasures of Portugal as large as a hen's egg; according to others this is only a topaz.

The fall in exports forced the world's biggest diamond polisher to reduce imports of rough diamonds by 18% from a year ago to $14.27 billion in the financial year ended March 31, the Gem and ...

Russia is the biggest producer of rough diamonds cut from hundreds of mines beneath the Siberian permafrost, where a third of the world's diamond supply comes from. Now the European Commission has ...