In fact, many red corals are just ordinary grades, and the price is another matter. There are many red corals, ranging from tens to hundreds of yuan a gram. In the environment of lack of market resources, the higher the grade of red coral, the lower the yield. 10,000 yuan a gram of fine red coral is hard to meet, while the output of ordinary red coral is much higher and the selectivity is wider.
Matters needing attention in coral maintenance
Coral ornaments are all made of calcium carbonate or shells, and the whole is very fragile. Although it won't break when touched lightly, it will break easily when touched with hard objects. And it is best not to wear it with other jewelry. Anything with a Mohs hardness higher than 5 will leave scratches on coral ornaments, such as diamonds with a Mohs hardness higher than 5.
Although coral is washed with water, coral ornaments are transparent when they are just taken out and put in water. They are red because they are polished and polished, and they are life-and-death colors. The living red coral is not this color. Therefore, the finished coral jewelry is not easy to soak in water for too long, and it is easy to become dim and lose luster.