You can buy jewelry cleaning solution and clean diamonds according to the instructions in the manual. If you really don't know or expensive diamonds, you'd better send them to a jewelry store for professional cleaning.

Prevention methods:

1 Don't wear a diamond ring when washing your hands, using cosmetics or working in the kitchen, because soap, dairy products and stains will affect the luster of the diamond ring and make it dim.

2. Don't put several kinds of diamond ornaments together in the jewelry box to avoid abrasion caused by vertical friction. It is best to wrap it in cotton paper or put it in different compartments in the box.

Diamonds should be washed frequently to keep their luster. The method is to use a few drops of liquid soap, mix them evenly in 2 times of warm water, then put the diamond in it and rotate it, gently scrub it with a small brush, then wash the diamond ornaments with warm water, soak them in medical alcohol to remove the soap, and finally dry them with fine gauze.

It is best to take the diamond ornaments to the jewelry store once a year to check whether the diamonds are loose, whether the pins are bent or not, and whether the safety buckle is out of order. You can also ask the jewelry store to clean it.

Extended data

Be careful not to inhale diamond powder;

During the Renaissance, chronic poison made of diamond powder was popular among Italian giants. People who eat diamond powder will stick to the stomach wall. In the long-term friction, it will cause gastric ulcer, and if it is not treated in time, it will die of gastric bleeding. It is a chronic poison that is difficult to prevent.

Baidu encyclopedia-diamond

Baidu encyclopedia-diamond jewelry