Literal:
* The crown sparkled with jewels of every color imaginable.
* She inherited a priceless jewel from her grandmother, a diamond necklace passed down for generations.
* The jewel case was locked with a key that only her father possessed.
Figurative:
* The old library was a jewel hidden in the heart of the city, filled with knowledge and history.
* The young singer's voice was a jewel of pure, unadulterated talent.
* The moment they met, it felt like a jewel had been placed in their lives.
Descriptive:
* The sun setting over the mountains created a jewel of vibrant orange and purple hues.
* The jewel beetle's shell shimmered with iridescent colors that dazzled the eye.
Other uses:
* "Jewel" is also a slang term for a person, especially a loved one. (Example: "My baby is my jewel.")
The best way to use "jewel" will depend on the specific context and the desired effect.