Rough diamonds are traditionally sold through highly controlled systems, though options for smaller buyers are expanding. Rough Diamonds | Diamond Commodity Chain - U.OSU

: Rough diamonds are generally cheaper than polished ones because they haven't yet accrued the significant labor costs associated with the extensive and tedious faceting process .

: Genuine raw diamonds are often mistaken for minerals like quartz. Verification involves testing hardness on the Mohs scale , internal components, and refractive index. 3. Sourcing and Sales Channels

The primary appeal of rough diamonds is the potential for and customization .