The 6 Most Expensive Engagement Rings Ever Worn

No. 3: Melania Knauss’ engagement ring – $2 million


A prolific and world-renowned entrepreneur, such as Donald Trump, was not about to be stingy when choosing an engagement ring for his girlfriend. The simple, yet elegant piece of jewelry Trump used when popping the question to Melania Knauss is worth a reported $2 million.