Members of The World Federation of Diamond Bourses (WFDB) act as a medium for wholesale diamond exchange, trading both polished and rough diamonds. The WFDB consists of independent diamond bourses in major centers of the diamond trade such as Tel Aviv, Antwerp, Mumbai, Johannesburg, London and New York and other cities across the USA, Europe and Asia. The WFDB provides a legal framework and convenes to enact regulations for its members.