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How to identify the Real Diamonds?
Buying a diamond is a very personal and exciting experience. But everyone has a doubt that the diamond is real or fake. There are some ways to find it out.
1. There are electronic diamond testers, that can test for diamonds vs. simulants. (Beware, moissanite is the only stone than can fool the electronic diamond tester.)
2. Flip your diamond upside down and place it over some newsprint. If you can clearly read through the stone, it's not a diamond. (some low cut diamonds or stones such as emeralds can be read through.) This test is called as the transparency test.
3. Now the fog test. Put your diamond in front of your mouth and fog it like you would fog a mirror. If it stays fogged for 2-4 seconds, it's a fake. A real diamond will disperse the heat instantaneously so by the time you look at it, it has already cleared up. (Oil and dirt on the stone can affect reliability and the test is not accurate at all on doublets where the top of the stone is diamond and the bottom is cubic zirconia glued together).
4. Test for weight. The most popular diamond simulant (fake) is a cubic zirconia.cubic zirconia's will weigh approximately 55% more than diamonds for the same shape and size. So use a carat or gram scale to see if the impostor tips the scales too much.
5. With a magnifying lens, look at your diamond from the top and see how the facets (the cuts on top of the diamond) are joined. They should be sharp but not rolled.
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