Princess Diana and the Aquamarine Ring • Princess Diana first wore the aquamarine ring in 1997, just a few months before her untimely death. She paired the ring with a stunning blue cocktail dress and wore it to a Christie's auction preview in New York. • The ring caught the eye of many, and it was later revealed that the ring was a gift from her friend, the businessman Richard Burton. The ring was auctioned off after Princess Diana's death, fetching a staggering £1.8 million.