'comes diminished' is correct and usable in written English.
It is usually used to indicate that something (quantity, size, etc.) has decreased or become less. Example sentence: With the new budget cuts, our already meager resources come diminished.
With the reduction of TB deaths in industrialized countries came diminished interest in TB research, leaving many critical questions unanswered about its pathology, pathogenesis, epidemiology and transmission.
With diminished numbers come diminished profits.
My own experience of going to galleries would suggest that as often as you come away feeling elated and enlarged you come away diminished by the experience – because the work isn't very good or because you just can't see what everybody else claims to.
Youth sports safety advocates are adamant that cost is not the central issue when it comes to diminishing risks to athletes.
My father was beyond all help, but there are thousands of men and women with dementia who go into hospital each year and who come out diminished, through no fault of nurses and doctors, but because hospital is a hazardous place for those who are frail.
One reads Sharon Olds, Jorie Graham, Louise Glück, Philip Levine, and their camp followers to come away diminished, as a reader and as a human being.
After all, each deal requires bankers' time, so – from that perspective – smaller deals come with diminishing returns.
We have come to diminish the stature of teachers while simultaneously believing that they have the most important jobs in the world.
As a result, the officials said, New York, a prime target for terrorists, was being shortchanged, and the probability of getting more money in coming months diminishes as the president and some leaders in Congress are trying to keep a lid on federal spending.
