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Cullinan IV

Cushion Diamond 63.6ct — Square cushion stone paired with Cullinan III in a royal brooch

The originalSquare cushion stone paired with Cullinan III in a royal broochSee the documented piece →

Cullinan IV is associated, in the documented record, with a Cushion Diamond of approximately 63.6 carats. Square cushion stone paired with Cullinan III in a royal brooch (1911).

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.

Common questions

What diamond or jewel is associated with Cullinan IV?
Cullinan IV is associated, in the documented record, with a Cushion Diamond of approximately 63.6 carats. Square cushion stone paired with Cullinan III in a royal brooch.
What cut and colour is Cullinan IV's diamond?
It is a Cushion cut.
What era and origin is it from?
It dates to 1911. Origin / association: South Africa (origin).
Can I acquire a diamond like Cullinan IV's?
Yes — Legacy Diamonds sources and commissions comparable diamonds privately, including one-of-one bespoke pieces in the same cut and colour. Begin privately with the Legacy atelier.
StoneDiamond
ShapeCushion
Carat (approx.)63.6 ct
Era1911
RegionSouth Africa (origin)

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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