Adele's 25 Has Gone Diamond; We're All Still Singing 'Hello' At KaraokeRachel Vorona Cote9/26/16 9:00pm5417EditPromoteGo to permalinkDid you know a record could go diamond? I, dear readers, did not. Apparently the terminology applies to records that have sold 10 million units (i.e. 10x platinum). This information is relevant because Adele’s 25 has gone diamond.