Sparing no expense! Roxy Jacenko flashes new $180,000 diamond and her huge engagement ring just days after returning from luxurious getaway with daughter Pixie

She's only just touched down in Sydney after a luxury European holiday that included everything from a trip on an extravagant 49-metre yacht to stays five star hotels and trips on a private jet.

But despite being back home, the perks haven't ended for Roxy Jacenko.

The PR queen has just secured herself a sparkling new addition to her jewellery collection- in the form of a flawless three-carat diamond.

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The perks continue: Rocky Jacenko has secured herself a sparkling new addition to her jewellery collection after returning from her luxury holiday

The perks continue: Rocky Jacenko has secured herself a sparkling new addition to her jewellery collection after returning from her luxury holiday

The former Celebrity Apprentice star shared an image of herself taking a closer look at the round brilliant stone on social media and told Daily Mail Australia she will be having it set into a necklace.

The piece, from upmarket boutique Nicholas Haywood, matches her eye-popping engagement ring, also by Nicholas.

And while Roxy and Nicholas remained tight-lipped on size and price, Nicholas remarking only that it was a top quality stone and that Jacenko was one of his best clients, a jewel of that caliber would be estimated at upwards of $180,000.

Roxy has only recently returned from an overseas getaway with her husband Oliver Curtis and their two children Pixie, three, and Hunter, one. 

Giant sparkler: The round brilliant stone is worth an estimated $180,000 and will be set into a necklace

Giant sparkler: The round brilliant stone is worth an estimated $180,000 and will be set into a necklace

Like mother, like daughter! Roxy has been travelling with her husband Oliver, son Hunter and daughter Pixie, with the girls dressing in matching Dolce & Gabbana frocks one day

Like mother, like daughter! Roxy has been travelling with her husband Oliver, son Hunter and daughter Pixie, with the girls dressing in matching Dolce & Gabbana frocks one day

First let me take a selfie... The family have been travelling via private jet

First let me take a selfie... The family have been travelling via private jet

While her youngest isn't likely to remember much of the experience, Pixie, who turns four this month, has been enjoying every perk, living it up at the best hotels and visiting the must-see tourist destinations. 

Already an experienced traveller, the pint-sized princess has been turning her close to 110,000 Instagram followers green with envy, and last week headed out in a bespoke gown from Sydney bridal designer Nicky Velani to lunch at waterside Eden-Roc Restaurant, overlooking the Lérins Islands on the French Riviera.

And it wasn't her first designer wear either.

Also on the trip, Pixie has been seen in another couture Velani and a children's Dolce & Gabbana.

High life!  Pixie's wardrobe is every woman's envy and includes this bespoke Velani gown
High life!  Pixie's wardrobe is every woman's envy and includes these two bespoke Velani gown

High life! Pixie's wardrobe is every woman's envy and includes these two bespoke Velani gown

Floating your boat! They have also been aboard a luxury superyacht before disembarking in St Tropez

Floating your boat! They have also been aboard a luxury superyacht before disembarking in St Tropez

Height of luxury: Only the best would do and they stayed at five-star Paris hotel, le Bristol Paris

Height of luxury: Only the best would do and they stayed at five-star Paris hotel, le Bristol Paris

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