Diamond Authenticity Tests
Among all the gems, the diamond is considered to be the most precious. Because of the stone’s high cost, jewelers carefully choose diamond pieces before processing them into jewelry. They want to guarantee clients that their products are the best. Since diamonds are naturally transparent, it is hard to distinguish them from other gems. However, there are different indicators of a counterfeit diamond.
A fake diamond has a low refractive index. This means that it does not bend light properly, which makes the surface more transparent. When placed on top of a newspaper, it shows the print in distorted black smudges. The light passing through a genuine diamond produces minimal to zero rainbow reflection. The ideal reflection is closer to shades of gray.
Fake diamonds weigh heavier than authentic ones. Precious rocks like moissanite and cubic zirconia are easy to mistake for diamonds because of their similar properties. One way to make sure that you are getting a diamond as promised is to weigh it. Jewelers in industrialized cities like Indianapolis use gram scales to compare stones and distinguish counterfeits through weighing.
Real and fake diamonds can also be distinguished from each other through ultraviolet radiation. A real diamond produces a thick blue light when exposed to UV rays. However, it is possible for some authentic diamonds to give out a different color. Many jewelry stores Indianapolis and other cities offer take these diamonds and price them lower.
Another test for diamond authenticity is the fog test. The speed of fog dispersal indicates the quality of the diamond. When a real diamond is mouth-fogged like a mirror, it usually disperses the condensation after a few seconds. A fake diamond usually maintains the condensation for five minutes. To sell diamonds effectively, jewelers allow clients to fog the jewelry to make sure they are real.
Although a real diamond weighs lighter than other stones with resembling properties, it has high density. When placed in water, a fake diamond will take a longer time to sink than a real one. Jewelers who sell diamonds use this as demonstration to prove that their products are authentic.
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