From Grace Kelly's 10 carat sparkler to Kate Middleton's oval sapphire, these royal engagement rings will be talked about for years to come.
The Spouse: Prince Harry
The Jewel: A 3 carat cushion cut diamond with two side diamonds flanking the center stone on a yellow gold band.
The Proposal: In an interview, the couple described the proposal as a "cozy night" at their home, Nottingham Cottage. The two cooked a roasted chicken, and Prince Harry got down on one knee. "It was so sweet and natural and very romantic," says Markle.
More: Prince Harry and Meghan Markle's Wedding: What You Need to Know So Far
The Spouse: Prince William of Windsor (m. 2011)
The Jewel: An oval Garrard 12-carat Ceylon sapphire surrounded by a cluster of 14 solitaire diamonds set in white gold.
The Proposal: Prince William proposed to Kate in a small cottage while the couple was vacationing in Mount Kenya with friends.
More: The Untold Story Behind Kate Middleton's Engagement Ring
The Spouse: Charles, Prince of Wales (m. 1981)
The Jewel: A 12-carat oval blue Ceylon sapphire surrounded by 14 solitaire diamonds set in 18-karat white gold.
The Proposal: On February 6, 1981, Prince Charles proposed to Lady Diana Spencer during a private dinner at Buckingham Palace. The couple kept their engagement a secret for several weeks.
The Spouse: Prince Phillip, Duke of Edinburgh (m. 1947)
The Ring: A 3-carat round center stone flanked with 10 smaller diamonds.
The Proposal: Though he was born royal, Philip's family was not particularly wealthy. When it came to the moment he would ask the future British monarch to marry him, his mother, Princess Alice of Battenberg, made a sacrifice. She loaned her son a tiara that was given to her as a wedding present so it could be dismantled and crafted into a ring.
The Spouse: Rainier III, Prince of Monaco (m. 1956)
The Ring: A platinum Cartier 10.47 carat emerald-cut diamond with two baguette diamonds on each side.
The Proposal: After meeting Kelly at a photoshoot earlier that year, Prince Rainier III visited the U.S. and stopped in Philadelphia to visit her. Three days later, he proposed. Talk about a fairy tale!
The Spouse: Jack Brooksbank
The Jewel: A blush colored padparadscha sapphire surrounded by diamonds.
The Proposal: Though not much is known about the proposal just yet, the two got engaged while on a trip to Nicaragua in January 2018 and plan to merry next fall.
The Spouse: (Then) King Edward VIII, later Duke of Windsor (m. 1937)
The Jewel: Cartier 19.77 carat Emerald Ring. Engraved on the ring is the message, "We are ours now 27 x 36."
The Proposal: Supposedly, the proposal date (marked by the message on the ring, October 27, 1936) happened before King Edward's abdication date — scandalous!
The Spouse: Henri de Laborde de Monpezat (m. 1967)
The Ring: A toi et moi style ring of two square-cut diamonds set in yellow gold.
The Spouse: Prince Andrew, Duke of York (m. 1986)
The Ring: A Garrard oval-cut Burmese ruby flanked by 10 diamonds set in yellow gold.
The Spouse: King Philippe of Belgium (m.1999)
The Jewel: An oval cut ruby stone with a thick, diamond band. In more recent years, she's been seen wearing an oval-shaped blue sapphire ring.
The Spouse: King Willem-Alexander of the Netherlands (m. 2002)
The Jewel: An oval-shaped orange cut diamond with two tear-drop diamonds on either side, surrounded by two diamond studded bands.
The Spouse: King Felipe of Spain (m. 2004)
The Jewel: A classic baguette band with 16 white diamonds set in white gold trim.
The Proposal: Letizia was a news anchor, Felipe was a prince. Up until their engagement announcement, the public had no knowledge of the relationship. Family members of Letizia's picked up the ring at Suárez for Felipe.
The Spouse: Charles, Prince of Wales (m. 2005)
The Ring: An emerald-cut diamond coupled with an impressive trio of baguette diamonds on either side.
The Spouse: Prince Albert of Monaco (m. 2011)
The Ring: A Maison Repossi ring with a 3-carat pear-shaped diamond and diamond additions on either side.