Her funeral will be held at 2pm at the Rev. Sioni Kami Memorial Church in Port Moresby.
Family, friends, colleagues and the public who were touched by Ruby's life and story are expected to attend.
The late Ruby passed away at the Port Moresby General Hospital on Saturday, February 11.
She was 24 at the time and would have celebrated her 25th birthday on February 13. The late Ruby was the Miss South Pacific PNG 2012-2013.
Laufa leaves behind her father, Maurice, from Gulf Province, her mother, Hane Sepi Nouairi-Schaaf, of Central Province and Tongan-German blood, and her younger sisters, Sherridan and Rhani Villie-Maina.
The body of the late Ruby will be laid to rest on Saturday, February 25 at Gabagaba Village but eventually will be repatriated to Gulf Province.
Meantime, investigations into her death are still ongoing.
Director for Traffic police, Joe Joseph confirmed that traffic were at the scene earlier this week examining the spot where the body of the late Ruby was evidently found dead.
Joseph is calling for more witnesses who might have seen something before, during or after the incident to come forward and give their statements as this will help police with the investigations.