jew‧el‧lery British English, jewelry American English /ˈdʒuːəlri/ noun [uncountable]
small things that you wear for decoration, such as rings or necklaces:
She wears a lot of gold jewelry. ⇒ costume jewellery


GRAMMAR
Jewellery is an uncountable noun and has no plural form. Use a singular verb after it:
All her jewellery was taken. You can refer to one or more pieces/items of jewellery:
She also lost several pieces of jewellery.

[TahlilGaran] Dictionary of Contemporary English ▲