Black Prince's Ruby

E164512

The Black Prince's Ruby is a famous large red spinel, long mistaken for a ruby, that has adorned the British royal regalia for centuries and now prominently decorates the Imperial State Crown.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label Occurrences
Black Prince's Ruby canonical 2

Statements (43)

Predicate Object
instanceOf gemstone
precious stone
red spinel
adorns Imperial State Crown
approximateShape irregular cabochon
associatedWith Edward the Black Prince
surface form: Edward of Woodstock, the Black Prince
associatedWithEvent British coronation ceremonies
State Opening of Parliament
classification historic gemstone
color red
country United Kingdom
culturalSignificance iconic gemstone of the British monarchy
decorates cross pattée of the Imperial State Crown
displayStatus on public display with the Crown Jewels
distinguishedFrom corundum ruby
famousFor being long misidentified as a ruby
prominent placement on the Imperial State Crown
gemCut polished but unfaceted
gemType spinel
hasInscription small drilled hole from earlier mounting
heritageStatus national treasure of the United Kingdom
historicalEra Middle Ages
housedIn Jewel House
locatedIn Tower of London
material spinel
mineralClass spinel
namedAfter Edward the Black Prince
surface form: Edward of Woodstock, the Black Prince
notableFor deep red color
large size
long association with English and British monarchs
ownedBy Crown Estate
owner British monarch
partOf Crown Jewels of the United Kingdom
surface form: British Crown Jewels
positionInCrown front cross above the Cullinan II diamond
setting gold mount
symbolizes monarchical continuity
royal authority
usedAs royal regalia ornament
usedIn British royal regalia
English royal regalia
Imperial State Crown
surface form: Imperial State Crown of the United Kingdom
visibility clearly visible on photographs of the Imperial State Crown
wasMistakenFor ruby

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Imperial State Crown containsGemstone Black Prince's Ruby
Crown Jewels of the United Kingdom containsGem Black Prince's Ruby