see more

BRISBANE, AUSTRALIA - APRIL 11: Princess Diana wears the Spencer Family diamond Tiara, with a suite of sapphire and diamond jewellery - including a pendant & matching earrings - given as a gift by the Crown Prince of Saudi Arabia at a State Reception on April 11, 1983 in Brisbane, Australia. (Photo by Anwar Hussein/Getty Images)

BRISBANE, AUSTRALIA - APRIL 11:  Princess Diana wears the Spencer Family diamond Tiara, with a suite of sapphire and diamond jewellery - including a pendant & matching earrings -  given as a gift by the Crown Prince of Saudi Arabia at a State Reception on April 11, 1983 in Brisbane, Australia. (Photo by Anwar Hussein/Getty Images)