If the 27-year-old decides to wear a tiara that has a similar connection with her engagement ring - which was inspired by her mother Sarah, Duchess of York's design - she might opt for the tiara her mother wore when she Wednesday Eugenie's father Prince Andrew in1986.
The 27-year-old's wedding will be held in St. George's Chapel at Windsor Castle and is expected to take place in the fall.
And the main culprits for this are Prince Harry and Meghan Markle, who are expected to embark on a high-profile foreign tour as a married couple that same month, according to the Daily Mail. When people get married, you want it to last. They [the Royal family] have got something else going on then I think so they couldn't. For years, many royal observers were surprised that Jack and Princess Eugenie have managed to keep their relationship going even though there was no engagement ring in site.
It is Jack's grandmother Joanna Newton, 91, who confirmed the couple would be tying the knot the following month instead.
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It was reported earlier this week that after seven years of dating, the couple had told the Queen they would like an Indian Summer wedding in September.
Princess Eugenie with her fiancée Jack Brooksbank.
"We can't fix a date yet, we've got to look at everybody's diaries - it's a bit more complicated than that".
Kensington Palace declined to comment on a royal tour or wedding date. "Which her son Prince Harry has inherited, where she could walk into a room of people and make them feel at ease as if she'd known them all her life or all their life".