Going wrong, stealing a personal decoration (7)

I believe the answer is:

earring

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'personal decoration' is the definition.
'earring' can be an answer for 'decoration' (earring is a kind of decoration). I'm unsure of the 'personal' bit.

'going wrong stealing a' is the wordplay.
'going wrong' becomes 'erring' (I've seen this in another clue).
'stealing' indicates putting letters inside.
'erring' placed around 'a' is 'EARRING'.

Can you help me to learn more?

(Other definitions for earring that I've seen before include "One adorning lobe" , "Item of jewellery" , "connection between girl and pearl" , "Lobe pendant" , "Dangly ornament" .)

I've seen this clue in The Times.

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