The Diamonds have beaten the Silver Ferns 68-51 thanks to a huge third quarter effort in Sydney.

Australia now have a 2-0 lead at the halfway point of the Constellation Cup with the series heading to New Zealand.

The Silver Ferns trailed by just two goals at half-time but by the end of the third quarter they trailed by 14.

Their unravelling in that 15 minutes, mirrored their fourth quarter horrors from Test one in Sydney, when they lost the Test 69-52.

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