Stuck on last few.
12a What is worn in diamond setting? (8,3) ?A?E?A?L???
21a Greek character takes garland round first of call centres (6) ends with the letter i
6d Timeless material to make fun of a new clergyman (9) ?U?F???A?
13d A foreign river Paul went over to meet king out in the cold (9)
?N?O???A?
14d Drowsy drunkard east crushed melon - nice starter! (9)
?O?N???N?