(intransitive) (of an LP or CD) To sell some specified number of copies (currently 1 million in the US) and be awarded a platinum record.
Wiktionary
Go-platinum Sentence Examples
The album went on to go platinum several times over.
The album was produced by the Neptunes and Mannie Fresh and looks set to go platinum.
The popular female country artist has become one of the most influential singers and songwriters in the country music business, and has had several of her albums go platinum.