: Long considered the diamond capital of the world, Antwerp handles a significant portion of global rough diamond imports and exports.
: Buying directly from mines in rural areas is often discouraged for individuals due to extremely high overhead costs and complex legal hurdles compared to buying from established traders or sightholders. Pricing and Valuation where to buy rough diamonds
Valuing a rough diamond is significantly more difficult than valuing a polished one because of the uncertainty regarding the final yield. : Long considered the diamond capital of the
: The most common method, accounting for roughly 65% of sales. Large producers like De Beers sell to a pre-approved list of "sightholders" who purchase large "sights" or allocations of stones. where to buy rough diamonds