jewel
US /ˈdʒuː.əl/
UK /ˈdʒuː.əl/

1.
a precious stone, typically a diamond, emerald, ruby, or sapphire, used in jewelry.
:
•
She wore a necklace with a sparkling jewel.
•
The crown was adorned with many precious jewels.
a precious stone, typically a diamond, emerald, ruby, or sapphire, used in jewelry.