About: http://webisa.webdatacommons.org/455240525

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	Others, especially for diamonds, will also specify color and clarity grades.
http://www.w3.org/ns/prov#wasQuotedFrom	gemstoneguru.com