The Alex Rodriguez Engagement Ring:
The square-cut diamond has an estimated worth from $1-5 million.
The Marc Anthony Engagement Ring:
From 2004 until 2014, Lopez was married to fellow musician Marc Anthony, who proposed with an 8.5 blue diamond Harry Winston engagement ring worth an estimated $4 million. The couple shares two children, Maximilian and Emme.
The Ben Affleck Engagement Ring:
In 2002, Ben Affleck proposed to Jennifer Lopez with a now iconic pink, 6.1 carat, Harry Winston ring worth an estimated $3.5 million AUD. The couple put their wedding plans on hiatus in 2003 and never ended up walking down the aisle.
The Cris Judd Engagement Ring:
Lopez was married to backup dancer Cris Judd from 2001 after Judd reportedly proposed with an emerald cut rock valued in the six figures. The marriage ended less than a year later.
The Ojani Noa Engagement Ring:
Lopez's first marriage was in 1997 to Onjani Noa. The couple were married until 1998 and the engagement ring he bought J. Lo is thought to have cost six figures at the time.
WATCH: Fewer People Are Proposing With Wedding Rings - Here's What They Use Instead.