jewel

1. A precious or semi-precious stone; gem, gemstone.
2. A valuable object used for personal ornamentation, especially one made of precious metals and stones; a piece of jewellery.
3. Anything precious or valuable.

   Galveston was the jewel of Texas prior to the hurricane.

4. A bearing for a pivot in a watch, formed of a crystal or precious stone.
5. Any of various lycaenid butterflies of the genus Hypochrysops.
6. The clitoris.

verb

To bejewel; to decorate or bedeck with jewels or gems.