In recent times the monument's condition has deteriorated and elements of the structure have been vandalised.
In February 2016 a project was launched to give the memorial its mana back.
The Rotorua District WW100 Commemorations Committee, under the umbrella of the council, received more than $300,000 in funding for the restoration.
The first phase - repairing and protecting the stoneworl - is complete.
The council said stone conservator Marco Burger spent several months in late 2016 carefully working on the project.
Experts from the New Zealand Maori Arts and Crafts Institute were tasked with replicating the eight wooden tekoteko and four "wheku form" pou that originally surrounded the memorial.
The council said 3D scanning and wax moulds were made of the carvings before bronze replications were cast.
The final step is replicating the stone statue of Te Arawa ancestor Rangitihi which was badly damaged and removed from the memorial in 1936.
"After a call to carvers, Rakei Kingi was chosen to complete this part of the restoration," the council said.
Council arts and culture manager Stewart Brown said the restoration was a fitting way to commemorate Rotorua's contribution to WWI.