The USA Sevens series drawn to a close with the two-time defending series champions Fiji, facing-off with South Africa, who were gunning for their fourth Cup title in five tournaments.
South Africa took the lead in the first five minutes and held on despite close comebacks from Fiji in the second half.
South Africa eventually won by 19-12 to claim their third consecutive USA Sevens title.
In the Bronze play-off, host USA made history after defeating New Zealand 19-15 for the first time ever to claim the third-place win at home.