One of the most famous Sapphire rings must be Lady Diana's Sapphire and Diamond cluster. 12ct of Sapphire surrounded by 14 Diamonds set in 18ct white gold, created by Garrard around 1980. In 2010 Prince William passed the ring to Catherine Middleton, now the Duchess of Cambridge, who wears it today.
LONDON, UNITED KINGDOM - FEBRUARY Lady Diana Spencer Reveals Her Sapphire And Diamond Engagement Ring While She And Prince Charles Pose For Photographs In The Grounds Of Buckingham Palace Following The Announcement Of Their Engagement. (Photo by