The actor popped the question to singer Katy Perry, 34 with a seriously surprising flower-shaped ... and the diamond halo is 2.5 carats, making the entire engagement ring more than 4.5 carats ...

Here, the 60 most stunning engagement rings to ever grace Hollywood ... ruby featuring diamonds around it to create a flower-shaped halo. The couple took to Instagram to confirm the news in ...

The flower engagement ring that Orlando Bloom gave Katy Perry ... "The white diamonds in the halo appear to be around 0.30 carats each, making the diamond halo almost 2.5 carats total," he said.

I love a good engagement ring and Katy's ... Angara Two Tone GIA Certified Oval Ruby Floral Halo Ring Etsy Vintage Faux Ruby Flower Ring ($133) Etsy Vintage Faux Ruby Flower Ring Etsy Ruby ...