A diamond for his diva! Mariah Carey's colossal 35-carat sparkler far outshines the rings James Packer gave his three ex-fiancees... and is worth $5 million more than her last one

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There have been six proposals between them, five ending in heartache.

But the ring gifted by Australian billionaire James Packer to his pop diva darling Mariah Carey has well and truly gone above and beyond the past bling both gifted and received between them each. 

Designed exclusively for the businessman by Mariah's close friend Wilfredo Rosado, the 35-carat blinder has an estimated worth of $7.5 million.

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The Diamond gets the diva! James Packer's colossal 35-carat proposal to Mariah Carey outshines all that have gone before it

Blinder! The 35-carat blinder has been estimated to be worth $7.5 million

As Australia's fourth-richest man, James, 48, has been married twice to swimwear model Jodhi Meares and singer Erica Baxter, while his two-year engagement to actress Kate Fischer, ended without a trip down the aisle.

Mariah, 45, meanwhile was married to Sony Music head Tommy Mottola, separating after four years, and shares two children with her more recent ex-husband Nick Cannon.

In light of the recent happy news, Daily Mail Australia looks back on James and Mariah's past engagement rings which look modest to say the least, when compared to this latest dazzler. 

Simplicity: Kate Fischer's engagement ring from 1996 was a simple square-cut diamond in a platinum setting

Short-lived: The actress was engaged to James for two years before splitting in 1998

Half a million: Her ring was valued at about $250,000

KATE FISCHER 

Australian television actress Kate Fischer and James were together for five years, and ended their two-year engagement in 1998.

Getting down on one knee, the casino mogul proposed with a simple square-cut diamond in a platinum setting created by Nic Cerrone.

It is believed the ring, which she sold after their split, was valued at about $250,000. 

Kate was rumoured to have been left with a $10 million settlement when the couple eventually parted ways. 

Dazzling: James' first wife Jodhi Meares was given an understated engagement ring with a large glittering diamond, which she later paired with an equally sparkling wedding ring

Calling it quits: The couple announced their separation after nearly three years of marriage in 2002

No expense spared: They wed in a lavish $10 million ceremony in 1999

JODHI MEARES

Jodie Meares, who later changed the spelling of her name to Jodhi, was James' first wife, tying the knot with the billionaire in 1999. 

Photographs from the time show her engagement ring to be an understated one with a large glittering diamond, which she later paired with an equally sparkling wedding ring.

A then 27-year-old Jodhi married James in a lavish celebration that was reported to have cost $10 million ($15m today with inflation) at the mogul's father Kerry's family compound in Bellevue Hill, Sydney.

Dubbed 'the wedding of the decade' by Kerry's wife Ros, Elton John was brought in to serenade the 750 guests.

But almost three years later in June 2002, news broke of the pair's split, following months of rumours that their relationship was on the rocks.

Moving on: Jodhi went on to get engaged to rocker Jon Stevens (pictured) and was given a skull shaped diamond ring. She is now believed to have married photographer Nick Finn, 28

A statement issued at the time by Publishing And Broadcasting Ltd, of which James was chairman until it ceased operations in 2007, read: 'The Packers, who were married in Sydney in 1999, remain the best of friends.'

More recently, Jodhi became engaged to former Dead Daisies rocker Jon Stevens, who proposed to her with a unique, diamond-encrusted skull-shaped ring, but the couple split in 2015 after an explosive row.

Jon was arrested at the couple's Sydney home and charged with assault in February after an alleged argument.

Police issued an interim AVO that was later dropped along with all charges against the musician. 

Jodhi is believed to have recently married photographer Nick Finn, 28.

Burgeoning: Erica Baxter, James' second wife, was presented with an engagement ring that was significantly larger than the first two

Big spender: The couple were married on the French Riviera in a lavish ceremony costing upwards of $6 million

Outdoing himself: The ring was reportedly purchased for around $250,000 from LK Jewellery

ERICA PACKER

James married singer and model Erica Baxter in 2007 after dating on and off for four years. 

The ring the businessman employed to pop the question with was an emerald cut dazzler, reportedly purchased for around $250,000 from LK Jewellery at Crown Casino.

The sparkler featured a pair of pear side stones, and is significantly larger than the one he gave Jodhi, with James reportedly popping the question on Christmas Day.

The couple were married in yet another lavish ceremony, this time taking place on the French Riviera, with the total cost of the celebrations believed to have been up to $6 million.

Erica's gown, a haute couture frock by Christian Dior under John Galliano's leadership, was believed to have cost $100,000 and involving hundreds of hours of work. 

After welcoming three children into the world - Indigo, seven, Jackson Lloyd, five, and Emmanuelle Sheelagh, three, the couple announced their separation in 2013. 

It is believed Erica received upwards of $100 million in the divorce settlement. 

Work and play: Mariah wed her first husband, Sony Head Tommy Mottola in 1993

Lavish: The music executive reportedly dropped upwards of $500,000 on the event

Blinding: The shape of her engagement ring was somewhat similar to Erica's 

TOMMY MOTTOLA

Mariah said 'I do' to Sony Head Tommy Mottola in 1993, becoming his second wife.

The engagement ring he had given her was a simple, square-cut diamond in a platinum setting, and the couple splashed out lavishly on the ceremony.

The music executive reportedly dropped upwards of $500,000 on the event, which was modelled on Princess Diana and Prince Charles' wedding, including a gown with a long train.

The couple called it quits after four years, and Tommy went on to marry Mexican telenovela star Thalía, in 2000.

They wed in front of a guest list that included Michael Jackson, Bruce Springsteen, Gloria and Emilio Estefan, Marc Anthony, Julio Iglesias and Jennifer Lopez at St. Patrick's Cathedral in New York City.  

Splashing out: Mariah married her second husband, comedian Nick Cannon, in the Bahamas in 2008, after she was given an astonishing 17-carat, $2.5 million sparkler

Sparkling: The ring featured an enormous emerald-cut diamond surrounded with 58 pink diamonds

NICK CANNON

Comedian Nick Cannon met Mariah while shooting her music video for her song Bye Bye on an island off the coast of Antigua.

He popped the question with an astonishing 17-carat, $2.5 million sparkler from Jacob & Co, with an enormous emerald-cut diamond surrounded with 58 pink diamonds.

They were wed in the Bahamas in April 2008 and share four-year-old twins Monroe and Moroccan.

The coupe filed for divorce in December 2014, sharing custody of their kids.