I just checked on eBay if you want too replace the screen you can get one for it for 350$ U.S. for sale on there .
https://www.google.com/search?q=replacement+screen+for+imac+pro+2017&client=tablet-android-verizon&sa=X&biw=600&bih=960&tbs=vw:l,ss:44&tbm=shop&prmd=snvi&srpd=12573396786236286136&prds=num:1,of:1,epd:12573396786236286136,paur:ClkAsKraX-ul0h7fiBHbKQ6iU-ZhFK7cKS9OpA6BCtrduHiSuKv7vOYTnt6v86BWGOWKt5mk6rm5hBIMzyzr2prjzH-VuTQRrkQGO_qwa42a18uJ2cutLOWb5hIZAFPVH73yzSpUpBwfUEzHTLoZkmDRiBVg8Q&ved=0ahUKEwiWx52kxMLaAhWvSt8KHYRsDT0QgjYIxAQ