1 thought on “Is the diamond ring of Yufulai Jewelry?”
Manuel
Yufu La's diamonds are still possible. The following method can be identified. Put diamonds and imitation products on the glass plate. Their starting temperature must be the same. In the sample, the fog disappears. It disappeared soon, and the fog on the imitation product disappeared slower than the diamond, because the diamond was highly heated.
Yufu La's diamonds are still possible. The following method can be identified. Put diamonds and imitation products on the glass plate. Their starting temperature must be the same. In the sample, the fog disappears. It disappeared soon, and the fog on the imitation product disappeared slower than the diamond, because the diamond was highly heated.