TJ Watt dedicates his fiancee’s engagement ring, a giant $100k briefcase!

TJ Watt CLEARLY knows diamonds are forever…’ as the NFL superstar went all out for his fiancée’s huge engagement ring – score a $100,000 stone!!!

The Pittsburgh Steelers paved the way for his longtime GF Dani Rhodes at a beautiful riverside location last week…and the ring he used for the occasion was AMAZING!!!

TMZ Sports studied … famous jeweler 26 years old Diamond Moe for bling, and he spared no expense.

We are told the ring has a 2.5 carat perfect colorless EX triple diamond – a very rare one – and has 18k white gold with 1.33 carats of VVS flawless diamonds on the strap.

In total, we say the ring is worth $100K!!!

And, what’s even more interesting about the ring… we said Watt hit Moe back in June 2020 for the piece – so he’s been planning this for over a year!!!

“I still feel like I’m dreaming,” Rhodes said on Instagram a day after saying “yes”.

“Wake up today feeling extremely happy and blessed to be married to my best friend🤍 I can’t wait to love you FOREVER.”

Watts and Rhodes have been dating since 2016 – when they met at the University of Wisconsin.

Both are professional athletes… Watt is entering his 5th season with the Steelers and Rhodes has just signed with Throttur Football Club, a football team in Iceland.

In fact, Rhodes was an old comrade with JJ Watt‘Wife of, Kealia – the two actually played together on the Chicago Red Stars women’s soccer team.