Lady Sarah Chatto pays tribute to her mother, Princess Margaret, in her diamond star earrings and brooch

The diamond star brooch, meanwhile – which features small pearl accents – was worn by Princess Margaret for a longer period, right up until the turn of the century. She memorably had the piece pinned to her lapel in 2000 for a Service of Thanksgiving for the life of Lord Charteris of Amisfield, the former private secretary and lord-in-waiting to the Queen.

After the Princess’ death in 2002, many of her jewels were sold by her two children, Lady Sarah and David Armstrong-Jones, Earl of…