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Icon Archive › Historic Stone › Jackie Kennedy Onassis
The Legacy Diamond Icon Archive

Jackie Kennedy Onassis

Marquise Diamond 40.42ct — Engagement (Aristotle Onassis), Lesotho III

The originalEngagement (Aristotle Onassis), Lesotho IIISee the documented piece →

Jackie Kennedy Onassis is associated, in the documented record, with a Marquise Diamond of approximately 40.42 carats. Engagement (Aristotle Onassis), Lesotho III (1968).

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.

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Common questions

What diamond or jewel is associated with Jackie Kennedy Onassis?
Jackie Kennedy Onassis is associated, in the documented record, with a Marquise Diamond of approximately 40.42 carats. Engagement (Aristotle Onassis), Lesotho III.
What cut and colour is Jackie Kennedy Onassis's diamond?
It is a Marquise cut.
What era and origin is it from?
It dates to 1968. Origin / association: United States.
Can I acquire a diamond like Jackie Kennedy Onassis'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.

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StoneDiamond
ShapeMarquise
Carat (approx.)40.42 ct
Setting-
Era1968
RegionUnited States

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.

Arena

◆Historic Stone

Stone

Diamond

Shape

Marquise

Region

🇺🇸United States

Era

Mid-Century (1940–1969)
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