Over 100 Pictures of the Best Celebrity Engagement Rings! Jennifer Aniston, Reese Witherspoon, Jennifer Hawkins + more!

They say diamonds are a girl's best friend for a reason! Whether you're already happily married, are on the hunt for a sparkler or just enjoy a bit of eye/finger candy — this bumper celebrity rock round-up is sure to delight! 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 $200,000 sparkler from Matthew Bellamy and Mariah Carey's gorgeous 15-carat bauble from Nick Cannon. From Jennifer Hawkin's Cerrone ring to Jessica Marais' dainty design, click through to see all the precious gems!