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Your Ultimate Guide To The Most Famous Royal Engagement Rings

1. Princess Diana
Princess Diana's engagement ring was a gorgeous Ceylon sapphire surrounded by 14 solitaire diamonds. Though it seems very regal, and greatly resembles a brooch Queen Elizabeth II inherited from Queen Victoria, the origins of how the ring came to live on Diana's finger is actually a little controversial (by royal standards, at least).  

Diana reportedly picked out the ring herself — from a catalog! The ring is made by a jeweler named Garrard and it retailed for about $60K. The reason why it was controversial is that basically anyone could purchase the ring. Imagine having the same ring as Diana?