As one dealer explained, a visit to the club enables him to "keep a finger on the pulse of the business." Although a price list is available for certain classes of polished stones, the bourse's trading floor is the only place to obtain a feel for the market price of rough diamonds: standardized price information is unavailable. Unlike other commodities exchanges, the DDC itself does not record either actual transactions prices or the volume of transactions.

DEFINE: Clarifies how the diamond bourse differs from standard commodities exchanges by lacking transaction price and volume records.

Lisa Bernestein, Opting out of the Legal Sys…, loc. 41