Diamond is a gemstone, the most expensive of all existing. In the nature it meets as mineral which distinctive property is its exclusive hardness. A jewelry with diamond was and remains the most desired. Only the specialist in a gemmologiya or the expert in the field of jewelry art can verify authenticity of this stone. However if you need to buy diamond without involvement of experts, apply several tests to check of its authenticity.
Instruction
1. Lower a stone in clear water. It is possible to define integrity of diamond by this test. If the top part of a stone original, and lower is a fake, then in water the place of joining of these parts will be visible.
2. Observe gloss of diamond. It has to be poured by shades of gray color. If it sparkles all colors of the rainbow, then it is a stone of poor quality or a fake.
3. Breathe on a stone. The real diamond will not dim, and the fake for several seconds "will grow dim".
4. Carefully rub diamond an emery paper. If in the course of it there were scratches, then it is a fake. However the diamond crumb should not be a part of such paper, otherwise it is possible to spoil a stone.
5. Carry out weighing of a stone. Zirconium which is often given for diamond is much heavier than gemstone. You can use this way of check in the presence at you the table in which compliance of the size and weight in grams or carats is specified.
6. If gemstone is in a frame, then check as far as it corresponds to the status of a stone. Original diamond is not established in a cheap frame. On it there has to be a brand indicating quality of metal.
7. You can also verify authenticity of a stone in vitro. Put diamond under ultra-violet radiation. The bright blue luminescence indicates its goodness. In X-rays the real diamonds are not visible. Materials of which make fakes have some degree of impermeability for such radiation.
8. If you are not sure that you even by system of tests can distinguish the real diamond from artificial, address the qualified specialist. There are various methods of identification of natural and artificial stones which on the chemical composition are close to natural.