Jessica Simpson
Given to her by husband Eric Johnson, the songstress rocks this Neil Lane 5-carat ruby which is surrounded by two pear shaped diamonds. It is estimated to be worth around $200,000.
Penelope Cruz
Javier Bardem paid a pretty penny for this gorgeous 3-carat sapphire ring. It's estimated worth is over $30,000.
Bridget Marquardt
This diamond encrusted spider was given to the former reality star by partner Nick Carpenter. As for why the spider, Carpenter felt that it represented their relationship and fascination with horror movies.
Jennie Garth
Jennie Garth tied the knot with David Abrams in 2015 after he gifted her this gorgeous black diamond, surrounded by white diamonds, and set on a gold band.
Jenny McCarthy
Jenny McCarthy was instantly in love with this 10+ carat yellow sapphire and 18 karat white gold band the moment Donnie Wahlberg slide it onto her finger.
Eva Longoria
The Telenovela star recieved this gorgeous diamond surrounded ruby from now-husband Jose Antonio Baston.
Cameron Diaz
This large band was given to the actress by her rocker husband Benji Madden. Instead of one larger rock, it features various stones set in gold.
Johanna Braddy
An UnReal engagement! Johanna Braddy said yes to this oval sapphire with two diamonds on either side, which was given to her by her costar, Freddie Stroma.
Rebecca Romijn
Jerry O'Connell put this 6-carat yellow diamond on the model turned actress prior to their 2007 wedding. The ring was later altered by Lorraine Schwartz to dangle off of the band after Rebecca's fingers became swollen during pregnancy.
Fergie
The songstress secured this 4-carat diamond designed by H. Stern from husband Josh Duhamel. It is certainly unique, as the center rock is outlined with cognac diamonds set to look like a star burst.
Ashlee Simpson
Following in her sister's footsteps, Ashlee Simpson's engagement ring was created by Neil Lane. The five carat diamond, surrounded by ruby insets and 140 miniature diamonds was given to her by now husband, Evan Ross in 2014.
Mary-Kate Olsen
This Olsen twin said yes to longtime beau Oliver Sarkozy after he popped the question using this vintage 4-carat Cartier diamond and sapphire ring estimated to be a cool $81,250.
Olivia Wilde
The star said "I do" to now husband Jason Sudeikis after he proposed to her with this stunning round diamond surrounded by an emerald halo and set in gold.
Nikki Reed
Actor Ian Somerhalder gifted his leading lady this gorgeous flower shaped diamond prior to their 2015 wedding. It is estimated to be worth $200,000.
Kate Middleton
Prince William proposed to Duchess Kate with his mother's Garrard Jewelers 12-carat sapphire and diamond ring. The ring, which is set in 18 karat white gold, was originally given to Princess Diana by Prince Charles and purchased for 28,000 pounds sterling (which is worth approximately $36,000).
Scarlett Johansson
The blonde beauty accepted this gorgeous, uniquely shaped rock from now-husband Romain Dauriac.
Lady Gaga
Mother Monster accepted this heart-shaped engagement sparkler from her former fiancé Taylor Kinney. "He gave me his heart on Valentine's Day, and I said YES!" she announced on Instagram at the time. However, Lady Gaga since announced that the two are on "a break."