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 Koh-i-Noor diamond is part of the British crown jewels, and it has previously been set into the crowns worn by British queens. —Emma Caughlan, NBC news, 30 Apr. 2026

As part of the royal collection, the British crown jewels — which consist of over 100 objects and more than 23,000 gemstones — are priceless and have immense cultural, historical and symbolic value. —Alex Gurley, PEOPLE, 26 Apr. 2026

Tilson Thomas’ New World Symphony, an ensemble and intensive three-year fellowship program for music school graduates to hone their craft, and its home at the New World Center in Miami Beach, are considered to be crown jewels in the Miami area’s art scene. —Amanda Rosa, Miami Herald, 23 Apr. 2026

Syracuse’s old town and crown jewel is the island of Ortigia. —Michele Becker, Travel + Leisure, 23 Apr. 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