Princess Anne is preparing to leave the UK next week for a royal visit to Turkey. The Princess Royal, 74, will be attending memorial services on the Gallipoli peninsula on April 24 and 25.

"Princess Anne’s sapphire choker is a striking piece, featuring four rows of pearls interspersed with 20 diamond bars, all centered around an angular sapphire and diamond clasp," Stone explained.

Princess Anne, Princess Diana (1961 - 1997) and The Queen Mother (1900 - 2002), wearing evening gowns, at the premiere of David Lean's film 'A Passage To India', London, UK, 18th March 1985 ...