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I got this jewely cleaner at Target for around $6. I have been using these types of cleaners on my diamond rings forever. They last several years. It is a solution that has a basket where you can place your jewelry and let it soak for a few minutes. Then you pull the basket up and your jewelry comes up with it so you don`t have to stick your hand in the solution. This cleaner is for gold, platinum, diamonds and precious stones. There is a separate one for silver and you are not supposed to put pearls in these cleaners. Since my ring gets soap scum buildup on the setting, I let it sit for around 5-10 minutes about once a week. Then I use the included brush to scrub the prongs. Sometimes that does work so I have to get a toothpick and really get into those prongs. But the solutions does most of the work for me. I highly recommend using this type of cleaner, especially on diamonds because it keeps them sparkly!