Handle your jewelry with care to avoid impact against hard surfaces, as even a diamond can chip if struck with enough force. To keep your diamond jewelry clean, regularly soak it in a gentle degreasing solution, such as lukewarm water with a few drops of mild dish soap. Alternatively, you can use a solution of six parts water to one part ammonia. Apply the solution with a soft-bristled brush or a new, soft toothbrush, ensuring that the brush is dedicated exclusively to your diamonds. Pay special attention to hard-to-reach areas, such as the back of the diamond, where dirt tends to accumulate the most. Cleaning once or twice a week will help maintain your jewelry’s brilliance.