Search on for Queensland town's mystery new millionaire

A mystery resident or visitor to a south-east Queensland town has become an instant millionaire after winning a $1.6 million prize on the weekend, but they probably don't know it.

The player from Warwick in the state's Darling Downs held one of the four division one winning entries in the Saturday Gold Lotto draw 4597.

Every division one winning entry pocketed $1,668,614.99.

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Lottery officials say the mystery ticket holder's entry was not registered to The Lott Members Club, which means they have no way of contacting them.

Officials have been left waiting for the lucky person to check their tickets and come forward.

The winning entry was bought at Hynes Newsagency in Warwick.

The winning numbers in the Saturday Gold Lotto draw 4597 on August 9 were 45, 4, 10, 40, 41 and 14, while the supplementary numbers were 3 and 6.

The Lott spokesperson Matt Hart said the mystery millionaire was most likely starting their week with no idea they'd won $1.6 million.

"We're encouraging everyone who purchased an entry from Hynes Newsagency to check their ticket because they might be the mystery millionaire we're searching for.

"If you think you're holding this very valuable ticket, please call The Lott on 131 868 to start the process of claiming your prize."

There were two other division one winners from Queensland and one from Victoria.

There are many different ways to get help and information about gambling. You can visit the National Gambling Helpline or call on 1800 858 858.