New Zealand outclassed South Africa from start to finish in the match, shooter Bailey Mes made 28 of her 30 attempts while Tutaia slotted 27 from 34.
Tutaia proved the difference in the match; she only missed one shot in the opening 15 minutes of the match, almost matching South Africa's attempts in the first quarter alone.
The Silver Ferns built on their lead in the second quarter, continuing to impress on attack where centre Shannon Francois reveled in the space provided with an influential performance.