The Most Stunning Celebrity Engagement Rings

The fiancé: Joe Manganiello
The ring: A a massive oval-shaped diamond set in a halo with a thin pave band.
The price: An estimated $500,000
The proposal: Manganiello popped the question on the Hawaiian island of Kauai on Christmas Eve. "I had to do it indoors because the island was infested with paparazzi," he told Haute Living in an interview. "I wanted to do it on the beach but I couldn't. I had to do it inside, which was fine."
The marriage: November 2017