Kylie Jenner Stuns in $5M Diamond Ear Cuff

 stepped out with some major bling in on Tuesday afternoon but it was not in a place one would expect.

The 28-year-old billionaire wore a massive diamond in her ear when heading to Hulu studios to tape a confessional for her family show The Kardashians.

'Kylie has on a large teardrop diamond earring on her upper ear that ,' Chris from The Diamond Exchange in Los Angeles told the Daily Mail.

'The diamond is large enough to be a significant engagement ring,' he added.

'It might be an earring she placed in a hole in her ear above the lobe, or she may have had the diamond custom made as an ear cuff,' he added.

Either way it is unusual to have such a large diamond placed high up on the ear like that, Chris added before saying, 'Maybe Kylie will start a new trend.'

Jenner has a large diamond collection that includes big diamond pieces from Cartier, Lorraine Schwartz and XIV Karats.

Often she wears engagement rings when at star-studded events, and she is also known for modeling diamond chokers and diamond-studded watches.

The cosmetics mogul was heavily made up for her scenes on The Kardashians as she had on black eyeliner and maroon red lipstick.

Her outfit could not be missed as she was bra free in a low-cut black tank top leaving little to the imagination on the hot afternoon.

She added Capri leggings that hugged her curves while wearing slip-on kitten-heeled sandals as she pulled back her raven hair behind her ear to show off that diamond.

The girlfriend of Oscar nominee  had driven a $250,000 red Ferrari 488 GTB to the Hulu studio.

Before she hit studios, Jenner posed for photos in front of the coupe in a new Instagram post.

The  star - who reportedly helped set up her sister - also shared a number of sizzling snaps from the inside the car. Jenner captioned her post, 'Was a cute little day.' 

Khloe appeared to be . 

At the time, Jenner posted a video of her mom and longtime boyfriend Corey Gamble was Kris's dream car. The beauty mogul captioned the clip '488 for the queen.' 

Jenner's sister Khloe made up for the teasing remark on her latest post, .'

In another comment Khloe, who lives next door to Kris, questioned, 'Wait, were you at my house and you never told me? What is the beef? First the Mother's Day crop and now this.' 

On Saturday, Jenner and Chalamet were  

Jenner and Chalamet were in the back while Kendall and Elordi were in the front.

A source told  'they have a lot of fun together' and have 'similar personalities and lifestyles' so they 'all really get along.'

Chalamet and Elordi 'already know each other and were friendly before Kendall and Jacob were getting close,' the insider said.

'They spent a lot of time around each other during the award season and naturally run in similar circles.'

Both actors also 'have the same attitude when it comes to fame' and they are 'pretty low-key' and 'like to stay out of the spotlight when they can.'

'They have a lot of respect for each other,' the source added.

Jenner, who has , 'really likes' Elordi and is 'excited Kendall is spending time with him.'