I like the simply elegant look, and think it suits her well.
Catherine Middleton’s Tiara and Earrings: All the Details
http://www.people.com/people/package/article/0,,20395222_20485867,00.html
Middleton’s cascading curls were topped off by a 1936 Cartier halo tiara lent to her by Queen Elizabeth. The tiara, which was purchased by King George VI for the Queen Mother, was presented to the Queen on her 18th birthday, the Palace confirms.
The newlywed’s look was styled by James Pryce and Richard Ward, who tell PEOPLE they’re “extremely honored and privileged to be involved with creating Catherine’s wedding look.”
With her hair swept behind her ears, Middleton wore leaf-shaped diamond earrings by Robinson Pelham, which were made to match her tiara. They also featured a diamond set drop and pavé set diamond suspended in the center.
The earrings were a gift by her parents, Carole and Michael Middleton.
Sister – and maid of honor – Pippa Middleton wore a similar pair of diamond earrings, also designed by Robinson Pelham.
Ordinarily I would agree...but this IS a Royal Wedding .... Kate played it too low key.