Even though some of these relationships have come and gone, the ring photos are here to stay.
Celebs go big when it comes to diamonds, including the first pictures of Jennifer Aniston's whopper from fiancé Justin Theroux, to Kate Hudson's reported 0,000 sparkler from Matthew Bellamy and Mariah Carey's gorgeous 15-carat bauble from Nick Cannon.
She showed off the reported emerald-cut diamond with tapered baguettes on the side, worth a reported 0,000, saying, "I was waiting for someone to notice." Prince William presented Kate Middleton with the same ring worn by his mother, Princess Diana.
From Jennifer Hawkin's Cerrone ring to Jessica Marais' dainty design, click through to see all the precious gems!After news of her engagement to Justin Theroux, we spotted Jen wearing a simple thin gold band — but she just flashed her sizeable rock for the first time whilst out and about in Santa Fe. Kate Hudson first shared the news of her engagement to boyfriend Matthew Bellamy during an April 2011 appearance on the Today show.