Diamond 18ct — Victorian-era Johor diadem later set with five large diamonds of about 18 carats each
The Johor State Diadem is associated, in the documented record, with a Diamond of approximately 18 carats. Victorian-era Johor diadem later set with five large diamonds of about 18 carats each (1886).
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Documented. This is an editorial reference compiled from public sources — a record of notable jewels in history, not a statement of endorsement or of any association with Legacy. Source: primary reference. Last verified July 2026.
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