Sure, celebrity marriages can go bad, but the rings are often very good.
Here's a look at some of the biggest and the brightest, with descriptions of size and estimated cost provided by diamond trend experts Sally Morrison and Francesca Ferrante of the Diamond Information Center.
Celebrity Engagement Rings
Celebrity: Ivanka Trump
Other Half: Jared Kushner
State of Union: Married
Jeweler: Ivanka Trump Fine Jewelry
Cut: Cushion
Total Carats: 5
Estimated Cost: $150,000
"For a girl who really loves diamonds, this engagement ring is perfect, not too subtle, but not to flashy, just like Ivanka."
Celebrity: Elisabeth Moss
Other Half: Fred Armisen
State of Union: Married
Cut: Round
Total Carats: 4
Estimated Cost: $120,000
"This engagement ring is ideal for the "Mad Men" stunner - a modern, romantic diamond engagement ring that really highlights her chic, understated personality."
Celebrity: Bethenny Frankel
Other Half: Jason Hoppy
State of Union: Engaged
Jeweler: Kristin Farrell
Cut: Pear
Total Carats: 8
Estimated Cost: $65,000
"This ring is a true reflection of Bethenny's romantic style and steals the show just like her."
Celebrity: Zooey Deschanel
Other Half: Benjamin Gibbard
State of Union: Married
Cut: Asscher
Total Carats: 3
Estimated Cost: $40,000
"Zooey's ring is a classic diamond ring that fits perfectly with her clean, sleek indie style."
Celebrity: Emily Blunt
Other Half: John Krasinski
State of Union: Engaged
Jeweler: Neil Lane
Cut: Edwardian
Total Carats: 3
Estimated Cost: $75,000-$85,000
"Emily is a chic and simple girl and her pear shape diamond ring clearly signifies that in a very classic and romantic way."
Celebrity: Danielle Deleasa
Other Half: Kevin Jonas
State of Union: Engaged
Jeweler: Jacob & Co.
Cut: Solitaire Cushion
Total Carats: 3
Estimated Cost: $50,000
"For a young couple, it's a nice, moderate ring considering that he could have gone bigger."
Celebrity: Gisele Bundchen
Other Half: Tom Brady
State of Union: Married
Cut: Round
Total Carats: 4
Estimated Cost: $100,000
"Gisele's ring is a large round brilliant solitaire which is the perfect diamond engagement ring for a gorgeous classic beauty."
Celebrity: Jennifer Hudson
Other Half: David Otunga
State of Union: Engaged
Jeweler: Neil Lane
Cut: Round Brilliant Platinum
Total Carats: 6 (Center stone is 5 carats)
Estimated Cost: $80,000
"Jennifer designed this very unique ring set with her fiance and Neil Lane. The all micro-pave ring is set on a split-shank band which is a style that is coming back in popularity."
