35-carat pink diamond ring
Mariah Carey 35-carat diamond and platinum engagement ring from her billionaire fiance, James Packer, is the absolute best of the best. Carey was first married to music executive Tommy Mottola, and later tied the knot with actor Nick Cannon. Packer has been married twice before as well — first to model Jodhi Meares, then to model and singer Erica Baxter, with whom he has three children.
Carey also beat out Beyonce’s 18-carat diamond ring from husband Jay Z, valued at over $5 million, as well as Kate Middleton’s 18-carat heirloom ring from Prince William.
10. Jacqueline kennedy
40.42-carat Lesotho III diamond ring
Price: $2.6 million
Years after President Kennedy’s assassination, Jackie eventually remarried in 1968 to Aristotle Onassis – a Greek shipping industry mogul. At the time of their engagement, Aristotle presented Jackie with a 40.42 carat weight diamond ring that was a part of the famous South African Lesotho brown diamond.
At the time of her estate sale, the Lenovo III engagement ring sold for a whopping 2.59 million dollars.