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
|