The five-time Olympic champion was unimpeded until she approached Daryll Neita of England outside her.
Neita, who finished with bronze after running a personal best 10.90 in the semifinals, could not make the difference.
In the men’s competition, Kenya’s Ferdinand Omanyala triumphed against South Africa’s Akani Simbine, the reigning champion.
Omanyala, who switched from rugby to running only in his late teens, crossed the finish line in 10.02 seconds to add the Commonwealth title to the one he won in June.
Because of a visa issue, the 26-year-chances old’s of winning three championships this year were dashed. He arrived at the World Championships last month only two and a half hours before his first heat.
After running a dismal 10.14 in Eugene, he was eliminated in the semifinals.
In contrast, he outran Simbine in the Commonwealth final, finishing behind him at 10.13.
Yupun Abeykoon of Sri Lanka won bronze in 10.14 to win the island nation’s first athletics medal at the Games since 1998.
Success for the 27-year-old comes when the nation’s Commonwealth squad is experiencing political and social instability.