hello, and welcome to the GMB
I suspect your vase is from somewhere in the last 20 years, and might just be coloured by means of acid staining - you might let us know if the colour fills the entire thickness of the glass or whether it's a surface treatment only. If it's the latter then acid staining is a distinct possibility, and believe we have had such pieces before and the suggestion for origin was either Israel or Romania, although also likely the glass bodies may be produced in Italy or France.