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better but still too high and too much variation for a 1A diode in this case size since diode test barely illuminates a RED LED meaning much less than 1 mA and more likely <10 uA so that cannot exceed 500 mV unless it is a small TO-92 transistor diode junction which was 630 mV.

I tested two meters . Fluke 75 in diode test mode did not reach 1 uA on another Chinese 4 1/2 digit meter while visa versa diode test registered 10 uA.

Revised:  Microcurrent fuse was NG on Chinese meter and Chinese meter Diode mode retested at 200 uA on Fluke 75 with 710 mV on Vbc on TO-92 so I estimate Fluke 75 at 100 uA.

So unless you know what your model provides in current and know what mV vs If is for a diode, it can be misleading.

 But good enough to tell the junction is "probably" OK if open cct. in reverse.

If you test real diodes with a real meter, you can verify what I am saying.

[automerge]1742867683[/automerge]   Rev B [URL unfurl="true"]https://tinyurl.com/2atyam4j[/URL]

Or see the typical Vf vs If for low currents