In the portraits, Kate Middleton wore a blue patterned dress that was said to have been recycled from previous private engagements. She wore a diamond necklace in which she had never been seen before.
It had a mixed floral print on the bodice with a blue polka dot pattern on the skirt.
The Duchess of Cambridge completed the look with a subtle diamond necklace.
The Daisy Heritage Pendant, Diamond was designed by Asprey London and costs Â£ 8,840.
It features a diamond daisy flower hanging from a silver chain.
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The description read: “This Daisy Heritage piece is one of the most iconic designs of its kind, with marquise cut stones individually set as the flower’s petals.
“Each is held in place by two perfectly formed V-shaped prongs, designed to let as much light as possible pass through the stone.
“The center of the flower, meanwhile, is set with a half-ball of pavÃ© diamonds, reproducing the texture of the center of the daisy.”
The Duchess of Cambridge is no stranger to wearing stunning jewelry.
After the birth of their first child, Prince George, the Duchess is said to have received a diamond eternity ring from Prince William.
She often wears the jewel on her wedding ring and it has been valued up to Â£ 2,000.
In 2011, she presented a pair of green amethyst and diamond earrings at the royal church service on Christmas Day.
The earrings were from designer Kiki McDonough and are said to be a gift from Prince William to celebrate their first festive period as a married couple.
The royal line of succession – who surpasses whom?
The line of succession to the British throne dictates the order in which each member of the royal family would ascend the throne.
It is also considered a ranking of importance with the leader, the queen, taking the place of ruler.
Older children come before younger ones. Traditionally, boys came before girls, but this law was changed on March 26, 2015, before Prince William’s first child was born.
Incredibly, Catholics are still excluded from the line of succession, as are children born out of wedlock.
Members of the Royal Family, who usually stick to strict protocol when appearing in public, often arrive at events in ascending order of importance, with the most important royal arriving last.
Prince Charles, 72, is currently first to the British throne, followed by Prince William, 38, his eldest son.
Next are Prince William’s children George, seven, Charlotte, five, and Louis, two, followed by Prince Harry, 36. Prince Harry is replaced by his son Archie Harrison, born in May 2019.