Scammed by "Numbers Golds"

Scammer's profile link: Numbers Golds

Amount scammed: 600k BM Os-Scape, Roughly 90M OSRS promised.

Discord ID + Unique Discord ID: Numbers#2470, 461209706472538115

Proof that it's their Discord:
[redacted]
Please see video above. This is our conversation transcript recorded. I have copied his ID into the chatbox at the end of the recording, which matches his unique ID.

Explanation of the trade: I PMed Numbers about my in stock BM based off of his advertisements. He offered me 90m for 600m BM. I suicided the gp the account he named

How they scammed: After the trade from above, they gave me the name of an account that doesn't exist on RS and then went offline / stopped replying.

Other relevant trade screenshots:

 

It doesn't appear that I'm blocked yet. No responses, though. The name provided to trade on OSRS was also fake, it did not exist on hiscores, etc.