Camilla Parker Bowles' engagement ring from Prince Charles is a Windsor family heirloom that belonged to the Queen Mother. With a platinum setting, it is composed of a square-cut central diamond flanked by six diamond baguettes.
Camilla wears the Queen Mother's Boucheron tiara and the Queen Elizabeth II Family Order, given to female members of the royal family, for the State Banquet at Buckingham Palace in honour of South African president Jacob Zuma last night.
Worn by the Duchess of Cornwall for the blessing after her marriage to HRH the Prince of Wales: Embroidered silk coat and silk dress designed by Anna Valentine, feather headdress created by Philip Treacy, (Photograph by Hugo Burnand.
THE DUCHESS OF YORK TIARA - Sarah Ferguson's diamond tiara did not come from the royal collection – but was purchased for her from Garrard's, the crown jewelers of the time, for her July wedding to Prince Andrew.
THE CAMBRIDGE LOVER'S KNOT TIARA Queen Elizabeth gave this pearl-and-diamond tiara (seen on her in to Diana as a wedding gift, but experts tell PEOPLE they'd be surprised if the tiara will pass down to Kate.
Her Majesty Queen Elizabeth II, wearing the Vladimir Tiara with the emerald drops, together with matching pieces of the Cambridge and Delhi Durbar Parure such as the Delhi Durbar Necklace, and Cambridge emerald earrings.