: Prices vary wildly based on size and purity. For example, lab-grown rough diamonds might range from $1,200 to $10,000 per carat, while natural stones can cost significantly more depending on their clarity and potential. Rough Diamonds | Diamond Commodity Chain - U.OSU
: Under the Clean Diamond Trade Act , it is illegal to import or export rough diamonds to or from the U.S. without a Kimberley Process Certificate . This document guarantees the stones were sourced from conflict-free regions. where to buy rough diamonds
: 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 : Prices vary wildly based on size and purity