Round Brilliant Diamond 100ct — Art Deco meander tiara crowned with eleven large diamonds, the grandest piece passed between Belgian queens
The Nine Provinces Tiara is associated, in the documented record, with a Round Brilliant Diamond of approximately 100 carats. Art Deco meander tiara crowned with eleven large diamonds, the grandest piece passed between Belgian queens (1926).
Within the Legacy Diamond Icon Archive this entry sits alongside the great diamond stories — a reference point for the cut, the colour and the moment it marked. The full Legacy Story for this icon is being written; the verified specifications, provenance and sources below are confirmed today.
Taken in the spirit of this Round Brilliant Diamond necklace — pieces from the Legacy vault, and a one-of-one commission.




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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