First Look: Dianna Agron's Gorgeous Engagement Ring

Dianna Agron attended Erdem’s F/W 16 show in London today wearing a little something special on her left hand: her engagement ring! It’s the first time she’s been spotted wearing the ring since getting engaged to Mumford & Sons singer Winston Marshall. The massive round ring is set in a gold band and has a great vintage vibe to it.

Scroll down for a close-up of her stunning engagement ring!

What do you think of Dianna Agron's engagement ring? Tell us in the comments below!