Sorry, I really don't know. Surface finishes aren't my thing.
But . . . I can tell you what REALLY matters is contractor skill and dedication. Different materials take different techniques and it's of no use to YOU if there's a better finish than Diamondbrite, that no one in YOUR area has experience in applying!
Look for what finish treatment has been used successfully in YOUR area -- and it varies from region to region -- and then look for the contractor who has done the good work!
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