International Diamond Grading System
GPTKB entity
Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
diamond grading system
|
| gptkbp:4CsInclude |
gptkb:color
cut clarity carat weight |
| gptkbp:basisFor |
gptkb:4Cs
|
| gptkbp:clarityScale |
Flawless to Included
|
| gptkbp:colorScale |
D to Z
|
| gptkbp:cutGrades |
Excellent to Poor
|
| gptkbp:developedBy |
gptkb:GIA
|
| gptkbp:documentation |
gptkb:GIA_Diamond_Grading_Report
|
| https://www.w3.org/2000/01/rdf-schema#label |
International Diamond Grading System
|
| gptkbp:influenced |
other diamond grading systems
|
| gptkbp:introducedIn |
1953
|
| gptkbp:recognizedWorldwide |
true
|
| gptkbp:standardizedBy |
gptkb:Gemological_Institute_of_America
|
| gptkbp:usedBy |
jewelers
diamond traders gemologists |
| gptkbp:usedFor |
grading diamonds
|
| gptkbp:weight |
measured in metric carats
|
| gptkbp:bfsParent |
gptkb:GIA_(Gemological_Institute_of_America)
gptkb:Gemological_Institute_of_America |
| gptkbp:bfsLayer |
7
|