What are the Ranks?

I’ve been looking to see what the ranks are. I’ve got placed in plat 3 and i know that cant be anywhere decent cause i suck. I just want to know what i’ll be working towards. If anyone could be so kind as to list the ranks please.

Unranked
Bronze 1-6 (1 lowest, 6 highest)
Silver 1-6
Gold 1-6
Platinum 1-6
Diamond 1-6
Onyx (CSR 1500+)
Champion #200-#1 (CSR 1800+ or top 200 Onyx, whichever is highest ranked)

thank you