The Most Expensive Celebrity Engagement Rings

9. Anna Kournikova’s Engagement Ring From Enrique Iglesias – $2.5 million

Even though they’ve been together on and off since 2001 with no word of a wedding, Anna Kournikova and Enrique Iglesias are bound together by one of the most expensive celebrity engagement rings. Featuring an 11-carat pink pear-cut diamond, the ring created by Argyle Jewellers has a price tag of $2.5 million.