About: http://webisa.webdatacommons.org/207424813

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For more than a half century, while other commodities, such as gold, silver, copper, rubber and grains, fluctuated wildly in response to economic conditions, diamonds continued to advance upward in price each year.
http://www.w3.org/ns/prov#wasQuotedFrom	mwilliams.info