This is Exactly what my ISP does. So I don’t know why you are being downvoted. I pay for symmetrical 1Gb. I receive, as tested through speedtest.net, 1060Mbps down and 1040Mbps up. In order to receive those speeds, I had to test from a computer with an ethernet interface faster than 1Gbps. And of course the router would also need to support the higher bandwidth link. My Mac Studio has a 10Gb interface; and my router has a 2.5Gb interface. If you have a router with WiFi 6 or 6e capability, you could also exceed 1Gb with that (providing the device you are testing with also supports it).

Meanwhile our city just acquired fiber from one provider this year (up to 2Gb/sec) and are scheduled to have Google fiber sometime next year (speeds up to 20Gb/sec).