Dianna Agron FINALLY Flaunts Her Engagement Ring! See The Beautiful Bling!

We’re blind!
On Monday, Dianna Agron finally showed off her engagement ring and it is quite a beauty!
As we previously reported, she and Mumford & Sons‘ Winston Marshall became engaged during the holidays, and now we’re finally getting a glimpse of the jewelry evidence!
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The blonde beauty showed off the gorgeous rock on her left hand in London while attending the Erdem fashion week show, and our first reaction was DAMN!
The bride-to-be flashed a rose-cut diamond nestled in a gold band on THAT finger, and it’s simply stunning!
The gorgeous girl also shared a snap from the show on Instagram, and the ring is so big that you can clearly see it, even from a distance! Take a look (below)!