Valuing a rough diamond is significantly more difficult than valuing a polished one because of the uncertainty regarding the final yield.
: Producers often auction high-value or specific lots to the highest bidders, allowing smaller dealers to participate. where to buy rough diamonds
: An increasingly dominant player in the rough diamond trade, Dubai regularly hosts auctions and is home to numerous wholesalers. Major Sales Channels Valuing a rough diamond is significantly more difficult
: A critical hub for the industry, as approximately 80% of the world's diamonds are cut and polished here. Major markets like Mini Bazaar and Mahidharpura (Moti Bazaar) are central for both buying and selling rough stones. Major Sales Channels : A critical hub for
: 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.
: It is highly recommended to obtain a report from a Gemological laboratory to judge the potential quality of the stone.
Rough diamonds typically move from mines to the market through three primary channels: