Did I just ruin my silver and diamond ring?

Becca asked: I put it in some liquid all-purpose jewelry cleaner, and forgot about it for an hour, and when I pulled it out, the band was black. I’ve been scrubbing it for a few minutes, and it’s lightened up, but it’s not shiny anymore. Did I ruin it?
Oh, yeah it was expensive. [...]

household cleansers for silver oxidation?

Sarah R asked: I have a silver ring that has tarnished, but no “silver jewelry cleanser”….
Are there any household cleaning products that would reverse the oxidation process and make it shiny again?

How to clean Fire damage to pots or jewelry?

perfect_picasso asked: We recently lost everything in the San Diego fires and only over the past weekend went through what we found in the debris. There are several pots and momentos that would be nice to keep out as reminders, but want to clean off charring and ’stuff’ that is melted onto the edges. Is [...]

cleaning crystal jewelry?

robby_anna asked: i spilled red wine on an earring that is swarovski crystal set in silver…i think some of it leaked into the setting, as one of the earrings has a little purple tint to it. can i soak the earring or clean it myself? how? or do i need to get it professionally cleaned?

Cleaning Silver with Hydrogen Peroxide?

Ceridwyn asked:
Ok now by trial and error I know this was a dumb idea but I tried to clean my favorite silver pendant with hydgrogen peroxide because it worked on my other jewelry and now the half of the pendant that touched the liquid in the bottlecap is darkened. Is there a way to fix [...]