I bought a 20w MOPA fiber laser from China last year and have had a blast figuring it out and making pieces of jewelry for my online business. I mark on stainless steel and my objective is to get a dark black. Color would be nice, but I've found it's extremely difficult to find a nice, solid color that marks reliably! I'm able to consistently mark black, but the issue I am running into is how long it takes for me to produce a piece of jewelry. In the picture below, this takes me ~10 minutes and I'm wondering how long other user's machines would take to make this. I paid about $7k for my machine and I'm kicking around the idea of selling it and upgrading to something that'll produce a piece of jewelry faster.
Hoping others chime in with machines specifics, how much they paid, and an estimate of how long it would take to replicate something like in the attached picture.
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