The result may be a certain brilliance (6)

I believe the answer is:

lustre

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'a certain brilliance' is the definition.
'lustre' can be an answer for 'brilliance' (I've seen this before). I am not certain of the 'a certain' bit.

'the result may be' is the wordplay.
'may be' indicates an anagram.
'result' with letters rearranged gives 'LUSTRE'.

Can you help me to learn more?

(Other definitions for lustre that I've seen before include "Sheen or renown" , "Result (anag) -- gloss" , "Glory; soft glow" , "Reflected light, sheen" , "Polish" .)

I've seen this clue in the Evening Standard.

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