Biggest single Lotto winner yet to surface

The winner of the biggest Lotto prize in New Zealand history is yet to claim their $19 million.

Last night, NZ Lotteries confirmed no one had come in with the winning ticket, which was bought at Pak'n Save New Plymouth.

Saturday's win is the largest prize to go to a single winner, who will get the $18,816,031 Powerball and $238,212 first division prize.

The owner of Pak'n Save New Plymouth, Alan Melody, said customers and staff at the supermarket were excited for the winner.