The most common and most likely answer to this crossword clue is the 7 letter word EARRING
I've seen this crossword clue in The Guardian
E
A
R
R
I
N
G
More clues leading to the result EARRING
- Wrong about a piece of jewellery
- Jewellery calls for attention to collar
- Not hard for fish to swallow a piece of jewellery
- Jewellery item going amiss needs one installing
- East Londoner’s trial, after hiding queen’s jewellery
- Making a mistake about a piece of jewellery
- Sinning, stealing a piece of jewellery
- Doing wrong nicking a piece of jewellery
- Maybe listener’s one hanging on
- East-ender’s trial announced — as an accessory
Buddy explains!

The straight part
We know that "piece of jewellery" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case piece of jewellery = earring.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EARRING mean?
EARRING noun- A piece of jewelry worn on the ear.