Use toothpaste & a soft toothbrush. Works wonders for the sparkle!
Do you have any denture tabs? use one or bakeing soda with vinegar
White vinegar!
I use toothpaste, or baking soda on a toothbrush it works and is really cheap.
idk just go to a diamond dealer and ask them what to do.
Use Baking soda and Lemon scrub with a toothbrush it will work and it will make it sparkle.
I use a toothbrush and mild dish detergent, such as Dawn. It works!
There is no need to use harsh chemicals like ammonia on your stones. An old toothbrush and some warm soapy water should suffice to clean. As for disinfecting, you could use an antibacterial soap, or you could simply place them in boiling water for half an hour or so (diamonds can withstand temperatures over 1000 degrees, so it shouldn’t hurt them).