About: http://webisa.webdatacommons.org/30390340

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	Of course you will not see something like this in an AGS 0 or GIA Excellent cut graded diamond from what I understand.I agree that the problem is a lack of standards of what 'hearts and arrows' means.
http://www.w3.org/ns/prov#wasQuotedFrom	diamondreview.com