Paris Hilton
Hotel heiress and socialite To date, Paris Hilton has received four engagement rings. She's currently engaged to venture capitalist Carter Reum, but we're not interested in the ring he got her.
Let's go back to May 2005, when Paris Latsis proposed with a 24-carat canary-cut ring that cost $4.7 million (about £3.9 million today). Latsis offered the Simple Life star with a choice of 15 engagement rings, each including diamonds from renowned jewelers such as Tiffany and Harry Winston.
Estimated Cost: $4.7 million