While she looks wonderful in the candid photos, with her hair lightly dishevelled, it's her engagement ring from her ex-husband, Mark Phillips ... and was given to Princess Anne in May 1973.

The marriage of Princess Anne and Captain Mark Phillips ... They announced their engagement in May 1973, after Mark proposed with a sapphire and diamond engagement ring designed by Garrard ...

Princess Anne received ... was given a sapphire ring that consisted of an eye-catching blue centre stone with white diamonds on either side by Captain Mark Phillips. Anne’s second husband ...

Princess Anne actually received a sapphire and diamond ring for her engagement to Captain Mark Phillips, though the Queen Mother temporarily sported the gemstone before that. Even so, Princess ...

It has been 51 years today since Princess Anne and Captain ... equestrianism. Captain Mark Philips proposed five years later with a luxurious sapphire and diamond engagement ring designed by ...

The Princess Royal was one of the few royals who wasn't pictured in a second wedding dress when she married Captain Mark Phillips ... a sapphire and diamond engagement ring designed by Garrard ...