Knowledge and methods of diamond purchase: 1. Touch by hand: Gently touch the crystal face of the diamond with your finger. There will be a sticky feeling. This adhesiveness is unique to real diamonds. Steel Screen Mesh has been widely accepted by clients from North America, Australia, Europe and Middle East for its high durability, precision and impact resistance. And they can be perfectly matched with various kinds of vibrating screens. Steel Screen Mesh Steel Screen Mesh, Steel Screen, Steel Sheet Piercing Mesh, Steel Woven Mesh HUATAO LOVER WIRE MESH CO.,LTD. , https://www.huataowiremesh.com
2. Use a pencil to draw: first wet the diamond with water, then gently scribe with a pencil. The pencil will not leave any trace on the crystal surface of the real diamond. If it is not a diamond, it will leave traces on the surface. .
3, with the tongue, cheeks, back of the hand touch the diamond, the human body is constant temperature, if the test body is also warm (heat conduction), it is imitation; true diamond touch for a long time is also cold (not easy to conduct heat).
4, to the test body, the condensation of water mist is faster than the imitation of the imitation (the enthusiasm of the diamond is greater).