jewelhouse
/ˈdʒuːəlhauz/Definitions
1. noun
A building or establishment where precious stones are sold, or a shop or store in which valuable or beautiful objects are displayed
“She visited the local jewelhouse to find a gift for her sister’s birthday”
2. noun
A house or building that contains many precious stones or jewels, especially one that is a treasure trove
“The ancient temple was said to be a jewelhouse filled with precious artifacts”