Flashy jewelry (5)
I believe the answer is:
bling
'flashy jewelry' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for bling that I've seen before include "Showy jewellery" , "Showy jewels etc" , "Jewellery for show" , "glitzy jewellery" , "Jazzy" .)