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When Prince William and the then-Kate Middleton revealed their engagement in 2010, all eyes were on the familiar rock on Kate's left ring finger. The 12-carat oval sapphire encircled with 14 solitaire diamonds is the same one Prince Charles gave to Diana in 1981.
During the couple's official engagement interview, William said that he chose the ring to keep Diana a part of the experience. "Obviously she's not going to be around to share any of the fun and excitement of it all – this was my way of keeping her close to it all."
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The angelic Cartier Halo tiara given to Queen Elizabeth II on her 18th birthday once again found its place in the spotlight atop Kate Middleton's iconic 2011 wedding day ensemble. Crafted in 1936 by King George VI for the Queen Mother, the tiara has 739 brilliant-cut diamonds and 149 baguette-cut diamonds and has been borrowed by other Windsor royals like Princess Margaret and Princess Anne.
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Kate's megawatt smile wasn't the only thing sparkling on her wedding. The newlywed wore leaf-shaped diamond earrings by Robinson Pelham, which were made to match her tiara. They also featured a diamond set drop and pave set diamond suspended in the center. The earrings were a gift from her parents, Carole and Michael Middleton.
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"The inspiration for those came from some pieces that the brand originally created in the 1920s for the Empress of Siam," Elizabeth Galton, Creative Director of Mappin amp Webb Jewellery, tells PEOPLE of Kate's $8,100 set featuring an "exotic motif." "We've re-imagined them for the 21st century and of course it's very nice that they have been worn by one of our royals."
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For her first-ever State Dinner, Kate wore a stunning pair of chandelier-style diamond earrings leant to her by the Queen.
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