PRINCESS DIANA was most famous during her lifetime for marrying Prince Charles, and her engagement ring from the Prince sparked a range of copycats. Her daughter-in-law Kate Middleton now wears the late royal’s ring. After her divorce Diana took to wearing another ring on her ring finger. An expert revealed to Express.co.uk what the gem was, and what it means.

LONDON, August 31: Dozens of floral tributes, photos and personal messages have been laid at the gates of London’s Kensington Palace on Thursday as Britain remembered Princess Diana on the 20th anniversary of her death in a Paris car crash.

LONDON, July 23: It was a typical phone call between two boys and their mother, who was on vacation in France. It was brief — the boys wanted to get back to playing with their cousins, not spend time on the phone chatting.

LONDON, Jan 6:  Letters handwritten by the late Princess Diana, including one describing how her son Prince Harry was "constantly in trouble", sold for £15,100 ($18,600, 17,500 euros) at a London auction on Thursday.