4Cs of Diamond Quality

GPTKB entity

Statements (16)
Predicate Object
gptkbp:instanceOf diamond grading system
gptkbp:appliesTo gem-quality diamonds
gptkbp:carat weight measurement
gptkbp:clarity absence of inclusions and blemishes
gptkbp:color degree of colorlessness
gptkbp:cut proportions and finish
gptkbp:developedBy gptkb:GIA
https://www.w3.org/2000/01/rdf-schema#label 4Cs of Diamond Quality
gptkbp:includes gptkb:color
cut
clarity
carat
gptkbp:introducedIn 1950s
gptkbp:usedFor diamond evaluation
gptkbp:bfsParent gptkb:GIA_Laboratory
gptkbp:bfsLayer 7