Police identified the three other victims on Sunday but Dr Majumdar's name was withheld to allow her family members to inform other relatives.
Friends have said the group were experienced climbers who loved the mountains and were well-equipped for the trek.
Mr Bell, from Blackburn in Lancashire, was studying for a PhD in ocean mapping in Oban. His parents were reported to be too upset to comment from their home in Osbaldeston, near Blackburn, but a tribute was issued on the Facebook page of his father's decking business, Evabel.
Mr Chesters had been living in Leeds and working towards his PhD qualification at Hull University, while Ms Finnegan, originally from Coleraine in Co Londonderry, was a qualified doctor who lived in Edinburgh.
One man survived by leaping from the collapsing sheet of snow and hammering an ice axe into firmer ground.