World’s Most Expensive Diamond Engagement Rings

2. Anna Kournikova’s Engagement Ring: 
Diamond Engagement Rings Anna Kournikova
The product remains a pink pear-cut diamond that weighs 11 carats. The Argyle jeweler’s engagement ring has great features such as two Trillian stones on its sides. The ring represents Enrique Iglesias love for Anna Kournikova his fiancée. It is worth $2.5 million and maintains the 9th position.