Black Prince's Ruby
This gemstone known as spinel, not ruby, is over 100 carats. It is said that Edward the Black Prince received it as a reward when he aided the Kingdom of Castile during their civil war.
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Black Prince's Ruby
This gemstone known as spinel, not ruby, is over 100 carats. It is said that Edward the Black Prince received it as a reward when he aided the Kingdom of Castile during their civil war.
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