Shaghayegh Bastani, known as Shayda,
was released from Silverwater Correctional Complex at 2pm (AEST) today.
The 24-year-old was whisked away in a black car which ran a red light as it left.
Prison authorities had earlier said she would be released at 1.30pm (AEST).
Bail of $1.1 million, comprising $100,000 cash and $1 million surety, was set.
Bastani's bail conditions include surrendering her passport, abiding by an 8.30pm to 6am curfew and daily reporting to police.
She was yesterday charged with conspiring to murder Sydney man John Macris between July 5 and September 24, 2009, at Castle Cove in Sydney's north.
Five men - including Fadi Ibrahim, the brother of nightclub baron John Ibrahim, and his younger brother Michael - are also charged over the alleged murder plot.
