Are this the sapphire earrings...??
[URL=http://pro.corbis.com/images/watermark/67/14060094/AADS002122.jpg]http://pro.corbis.com/images/watermark/67/14060094/AADS002122.jpg[/URL]

and a second pair of earrings I never see befor:
http://delivery.gettyimages.com/comp/2776179.jpg?x=x&dasite=MS_GINS&ef=2&ev=1&dareq=E2399169AC85D6DE0FAE1ABD6EFC91622D516614833A48A4

Diana Princess of Wales at a fashion show at the Cologne Museum of Art in Cologne, Germany in November 1987, during the Royal Tour of Germany