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Rare purple star sapphire worth $400M for sale

It was found in a gem pit near a remote town known as the city of gems, polished, and now, it's ready to be sold to the highest bidder.

Jan 18 (00:24)

Chicago weather: Warmer than average Friday

Chicago weather: Warmer than average Friday

All clear given after suspicious envelope delivered to Chicago federal building

All clear given after suspicious envelope delivered to Chicago federal building

South Chicago Chapel undergoes first inspection since 55 decomposing bodies found inside

South Chicago Chapel undergoes first inspection since 55 decomposing bodies found inside

Over 70 dogs rescued from Lemont hoarding situation

Over 70 dogs rescued from Lemont hoarding situation

Fitness Friday: Bar Method in South Loop

Fitness Friday: Bar Method in South Loop

School Spotlight: Technology Center of DuPage

School Spotlight: Technology Center of DuPage

Gino's East celebrates 60 years of Chicago deep dish pizza

Gino's East celebrates 60 years of Chicago deep dish pizza

Chicago rapper Myquale opens for Lil Yachty at Red Bull Setlist concert

Chicago rapper Myquale opens for Lil Yachty at Red Bull Setlist concert

Pope Leo XIV cancels upcoming trip as he recovers from lung surgery

Pope Leo XIV cancels upcoming trip as he recovers from lung surgery

Suspicious letter draws hazmat response at Kluczynski Federal Building

Suspicious letter draws hazmat response at Kluczynski Federal Building

Refugee One collecting items for 2026 winter coat and boot drive

Refugee One collecting items for 2026 winter coat and boot drive

Elevated CTA train tracks closing in Loop during busy Chicago weekend

Elevated CTA train tracks closing in Loop during busy Chicago weekend

Smash and grab burglars hit Shell Food Mart near Midway Airport, steal ATM

Smash and grab burglars hit Shell Food Mart near Midway Airport, steal ATM

Thieves try and fail to rip ATM out of gas station on Southwest Side

Thieves try and fail to rip ATM out of gas station on Southwest Side

"OH, Mary!" tickets for Chicago limited run at CIBC Theatre go on sale

"OH, Mary!" tickets for Chicago limited run at CIBC Theatre go on sale

iPhone Duo, new foldable phone, goes on sale Friday

iPhone Duo, new foldable phone, goes on sale Friday

Issue at Joliet Refinery contributing to high Chicago area gas prices

Issue at Joliet Refinery contributing to high Chicago area gas prices

Chicago weather: Mild and clear Friday

Chicago weather: Mild and clear Friday

Man pulled from Chicago River near LaSalle in Loop

Man pulled from Chicago River near LaSalle in Loop

Man charged with murder for 2025 stabbing in Chicago’s Avondale neighborhood

Man charged with murder for 2025 stabbing in Chicago’s Avondale neighborhood

Chicago forecast: Beautiful fall weather through the weekend

Chicago forecast: Beautiful fall weather through the weekend

Meet one of the carpenters who helped build the Obama Presidential Center

Meet one of the carpenters who helped build the Obama Presidential Center

Experts urge vaccinations as fall flu season gets an early start

Experts urge vaccinations as fall flu season gets an early start

Companies, governments race hackers to patch internet security flaws

Companies, governments race hackers to patch internet security flaws

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