crown jewel

noun

1

crown jewels plural : the jewels (such as the crown and scepter) belonging to a sovereign's regalia

2

: the most attractive or valuable one of a collection or group

Synonyms of crown jewel

• jewel
• treasure
• trophy

Examples of crown jewel in a Sentence

The painting is the crown jewel of the museum's collection.

one of the company's crown jewels

Recent Examples on the Web

The heist wasn’t quite as movie‑made as the Louvre heist in October 2025, when four masked thieves pulled off a daylight robbery in just seven minutes, smashing display cases to steal eight pieces of France’s historic crown jewels. —Freddie Clayton, NBC news, 15 Feb. 2026

News of the potential scam comes as the Louvre continues to deal with the fallout of the October 2025 broad-daylight theft of $120 million worth of crown jewels, which remain unrecovered. —News Desk, Artforum, 13 Feb. 2026

Now’s the time to book your flight to the beloved crown jewel of the Caribbean—no passport needed. —Lauren Sanchez, Vogue, 10 Feb. 2026

The item belongs to a rare collection of French crown jewels still held by the nation, after most were looted during the French Revolution beginning in 1789. —Laura Sharman, CNN Money, 6 Feb. 2026

Word History

First Known Use

1643, in the meaning defined at sense 1

Rhymes for crown jewel

• accrual
• nonfuel
• refuel
• renewal
• biofuel
• contextual
• nonrenewal
• nonsexual
• unusual
• cruel
• dual
• duel