#23: The Saudi Sapphire Set
Worn by: Princess Diana
Owned since: 1981
Estimated value: $1 million*
Princess Diana received many fancy gifts when she married King Charles in 1981. One of the coolest was a fancy jewelry set from a Saudi prince! The standout piece was a massive Burmese sapphire necklace covered in diamonds with a super fancy diamond chain.

Diana wore this set several times, and some of her most famous pictures show her wearing it. Diana was totally into sapphires; just look at her engagement ring! According to The Crown on Netflix, Diana knew sapphires brought out her eyes, and she was right.
