Grace Kelly’s Secret Sparkle: The Fate of Her Two Legendary Engagement Rings

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Grace Kelly’s Secret Sparkle: The Fate of Her Two Legendary Engagement Rings

Royals (2 / 1) 07.05.2026 10:56 / Peter


The iconic three-stone Cartier

The second ring surfaced while Grace filmed High Society: Rainier reportedly bought a real jewel for the movie and for her to keep. Cartier’s records show a 10.48-carat emerald-cut diamond set in platinum, flanked by tapered baguettes. That ring has been called one of the most expensive celebrity engagement jewels, once listed at $4.06 million in 1956 and today valued at about $38.8 million.

Where they live now

Both rings passed to the House of Grimaldi after Grace’s death in 1982. The family loaned pieces, including both engagement rings, to Cartier’s Fifth Avenue mansion for a 2016 display; Cartier even dedicates a room to her. Today the jewels remain in the care of Monaco’s royal household.