Among the allegedly stolen items were a NZ$53,564 Cartier watch, an engagement ring, Chanel handbags, a Tiffany clock and vintage wines and champagne.
Various items of designer clothing, including Alexander McQueen, Valentino and Dolce and Gabbana coats were also allegedly taken.
Mrs Appleyard-Ley, 41, a mother-of-two, told the court that she first realised something was wrong when Currie did not bring her a cup of tea in bed one morning.
She said she "panicked" when she realised her Mercedes ML350, which she had bought just nine days earlier, was missing.
"I was calling for Emma and not hearing anything back," she told the court, her voice cracking with emotion.
"I ran downstairs and saw downstairs - it was cleared out. I ran upstairs looked out the window and the car wasn't there and what had been in the car was in the hall. I panicked and was shaking.
"I noticed my handbag and computer were gone. Every minute I would see something else had gone."
Mrs Appleyard-Ley wept in the witness stand as she told the jury how she dashed upstairs to see if her children were safe.
She said she tried calling Currie and sent her text messages begging that if nothing else, she return her computer containing photographs of her young children and her camera.
The court was told that Currie was still driving around in the top-of-the-range Mercedes when police pulled the vehicle over two days later and found it packed full of Mrs Appleyard-Ley's belongings.
A total of £89,000 worth of stolen property was seized but another £81,000, including a Cartier watch has never been recovered.
Mrs Appleyard-Ley told the jury that it was only when the police searched the stolen car that she realised how much had been taken.
"I don't think there was a drawer, a rail, a cupboard, that hadn't had something taken from it," she added.
"Also everything I had worn the previous month that I thought was at the dry cleaners was in a suitcase in the car."
Currie had also racked up bills of more than £1,000 at several high street stores, including Oliver Bonas and Monsoon, it was claimed, as well as withdrawing £900 from a cashpoint.
Mrs Appleyard-Ley had hired Currie as a nanny and housekeeper in May 2013 after answering her advert on the Gumtree website a few weeks before.
She told the jury she interviewed her face-to-face and phoned her references before giving her a job.
"That interview lasted quite a long time in the late afternoon, early evening after the children had come back from school," she said.
"She seem Mary Poppins in a way.
"She was there to help me with the house and the children, to be a mother's help, and to help with the charity setting it up."
Mrs Appleyard-Ley's estranged husband, Sven Ley, a self-employed art dealer, described the defendant as "well-spoken and sophisticated".
"The children seemed to like her which was the most important thing," he said in a statement read to the court.
"She seemed to fit in well in the household."
Geoffrey Porter, prosecuting, said: "Only within weeks of her being in this employment, on 16 June, the defendant had a day off.
"She had the day off and then came home, spoke to Mrs Appleyard-Ley and her children and then went to bed.
"The next morning it became apparent a major theft had occurred."
Currie claimed she took the vehicle because she was owed wages by her employer.
She also said she wanted to report Mrs Appleyard-Ley for abusing her son and claimed she had seen "cocaine, drugs and lots of alcohol" around the house.
She told officers that she had quit after witnessing her boss slap her child and accused her of lying about what had been stolen to claim on her insurance.
Currie denies theft, three counts of attempted theft, three counts of fraud and one of attempted fraud.
The trial continues.