Over the years, we've seen some incredible (read: massive) sparklers (hello, Mariah Carey's 35-carat stunner) and are celebrating each and every one of them right here. Click through to see the baubles with the most carats and biggest price tags. While some unions didn't last, these diamonds certainly are forever (in our memories anyway).
Angelina Jolie: While her marriage to Brad Pitt lasted just two years (after dating since 2003), Pitt proposed in 2014 with a 16-carat emerald-cut diamond that was flanked with trapezoids. (Photo via Kevin Winter/Getty)
Beyoncé: Before she became a mom of three, Queen Bey said yes to Jay Z when he proposed with a $5 million, 18-carat emerald-cut Lorraine Schwartz bauble. (Photo via Kevork Djansezian/Getty)
Avril Lavigne: The "Complicated" singer wed Chad Kroeger of Nickleback in 2013 after he popped the question with a 14-carat pear shaped rock. The pair separated in 2015, but that diamond lives on. (Photos via Jamie McCarthy/Getty)
Blake Lively: The Gossip Girl alum is hardly ever photographed without the 12-carat oval-cut bauble hubby Ryan Reynolds presented to her prior to their super secret 2012 nuptials. (Photo via Dimitrios Kambouris/Getty)
Ciara: The "Body Party" singer and Seattle Seahawks QB Russell Wilson became engaged in the Seychelles in 2016. Wilson asked Ciara to be his wife with a 16-carat cushion-cut diamond. (Photo via Alberto E. Rodriguez/Getty)
Hilary Duff: While the marriage might be over, Hilary Duff's 14-carat, $1 million radiant cut diamond from NHL player Mike Comrie was one for the books. (Photo via David Livingston/Getty)
Jennifer Aniston: The Friends star became engaged to Justin Theroux in 2012 after he proposed with an eight-carat elongated cushion cut diamond. Aniston admitted that it took her a while to get used to the rock, and it wasn't something she would've picked for herself. (Photo via Jason Merritt/Getty)
Kim Kardashian: Third time was a charm for the KUWTK star. Kardashian's engagement ring from third husband Kanye West is a breathtaking 15-carats. (Photo via Jason Merritt/Getty)
Mariah Carey: The chanteuse holds the record for largest engagement ring on this list. While the pair never made it down the aisle, Carey's emerald-cut sparkler from billionaire James Packer weighed in at a staggering 35-carats. (Photo via Kevin Winter/Getty)
Serena Williams: The tennis champ got engaged to Reddit co-founder Alexis Ohanian in 2017 after he proposed with a massive diamond. While there aren't any official reports, experts estimate the ring to be approximately 12-carats with a price tag of about $2 million. (Photo via Dimitrios Kambouris/Getty)
Sofia Vergara: Joe Manganiello popped the question in 2014 to the Modern Family actress with a cushion-cut bauble that is estimated to be seven carats and cost $500,000. (Photo via Dimitrios Kambouris/Getty)
Carrie Underwood: The country singer's engagement ring from hockey player husband Mike Fisher features an impressive 12-carat canary yellow round diamond. (Photo via D Dipasupil/Getty)
Which celeb engagement ring is your favorite? Tweet us @BritandCo!
(Featured photo via Jason Merritt, Kevork Djansezian/Getty)