Check Out Some Of The Biggest Celebrity Engagement Sparklers

Glee’s Matthew Morrison just proposed to his girlfriend of two years, Renee Puente, and he gave his lovely lady quite the sapphire sparkler.

The big blue ring is not unlike Princess Diana’s, now worn by Duchess of Cambridge, and is among one of the largest celeb engagement rings we’ve ever laid our eyes on.

As we were staring at Renee’s jaw-dropping bling, we decided that now was the perfect time to revisit some of the more sizable star engagement jewels that grace the fingers of stars like Avril Lavigne, Mariah Carey and more.

Launch the gallery, above, to see some of the most over-the-top celebrity engagement diamonds out there.