Depends What you want. I have been using the G910 (Orion Spectrum, not Orion Spark, the Spectrum is much better) as my daily driver and I love it. (Basically the same as the G810). The low actuation point in a whole gives your finger less fatigue over long gaming sessions. The RGB lighting is easy to control compared to Corsair's in MY opinion. But overall, all your options are great keyboards. I've tried them all, and I wasn't disappointed one bit.
The Chroma is great, I love the tactile clicky sound of it. it has RGB lighting, and even a USB Port and (I think) a few audio jacks.
But think about your situation. Do you live in an area where people complain about loud noises? If so, get the Logitech. No? Grab the Razer!
I love all of these boards, and it's a matter of what you think will be best for you.