1 is a natural color, indicating that its color level may not be high. Generally, DEF of grades D to Z * * * is colorless, G-J is nearly colorless, KLM is yellowish, and N is yellowish. So if it's natural, there's nothing you can do.

After wearing for a long time, the diamond itself is oily, and it will turn yellow when stained with stains, sweat stains and oil stains.

There are a few small ways to deal with the problem of yellowing when you wear it.

1, cleaning method of cleaning liquid

Fill a small bowl or teacup with warm water and mix a proper amount of neutral detergent in the water. Soak the diamond in water, brush it gently with a toothbrush, then wrap it with a sieve and rinse it with warm water under the tap. Finally, dry it with a soft cotton-free flannel.

2, cold water immersion method

Soak the diamond in water with a small bowl or teacup for about 30 minutes, then gently brush the diamond in front, back, left and right with a small brush, then shake it in water for a while, then take it out and dry it with a paper towel.

3. Quick cleaning method

Buy a bottle of brand-name jewelry cleaning solution, together with the attached container, and clean the diamonds according to the instructions.