What if you don't know how to distinguish real or fake diamonds? 4 Easy Ways to tell the difference.
How to tell if your diamond is fake or real.
Avoid looking at a loose diamond on a white jeweler's tray. Make sure that you look at it on printed material or on a piece of paper. If the diamond is real, you won't be able to read the newsprint through the facets; if the diamond is fake, it's just like looking through, well, glass.
Thermal conductivity is one of the best test. Most jewelers have a small instrument that can measure this since diamonds are extremely good conductors of heat. In this test, no other material will match a diamond.
Do the fog test. This is a great test. Fog the rock like you would try to fog a mirror when you put it in front of your mouth. If you see that it stays for two to four seconds, then it's fake. A real diamond would have already cleared up by the time you look at it because it disperses the heat instantaneously. There are times when the test is not accurate at all on doublets where the top of the stone is diamond and the bottom is cubic zirconia epoxied together and oil and dirt on the stone can also affect its reliability.
Do the under the loop test. There are some things you can look for on the stone that might give away its identity if you own some sort of magnifying lens.
Try looking at the rock from the top and see how well the facets or the cuts on top of the diamond are joined. Make sure that they are sharp and not rolled.
See if it is faceted or frosty (a clear sign it's a diamond) or waxy and slick (an indication it's a fake) when you look at the girdle.
Look into your stone to see if you detect any flaws like small cracks, pinpoints, or carbon while you are looking at your stone under magnification. Since it's very hard to put inclusions in a fake, these are typically clear indications that it's the real thing.
After examining the stone, focus in on the stamps inside the setting. Indicating that the setting is real gold or platinum is a stamp of "10K, 14K, 18K, 585, 750, 900, 950, PT, Plat" and this gives a better chance that the stone in it is real as well. While you are looking at the interior of the ring, "C.Z." stamps that would indicate that the center stone is not a diamond is what you should also look for.
How to tell if your diamond is fake or real.
Avoid looking at a loose diamond on a white jeweler's tray. Make sure that you look at it on printed material or on a piece of paper. If the diamond is real, you won't be able to read the newsprint through the facets; if the diamond is fake, it's just like looking through, well, glass.
Thermal conductivity is one of the best test. Most jewelers have a small instrument that can measure this since diamonds are extremely good conductors of heat. In this test, no other material will match a diamond.
Do the fog test. This is a great test. Fog the rock like you would try to fog a mirror when you put it in front of your mouth. If you see that it stays for two to four seconds, then it's fake. A real diamond would have already cleared up by the time you look at it because it disperses the heat instantaneously. There are times when the test is not accurate at all on doublets where the top of the stone is diamond and the bottom is cubic zirconia epoxied together and oil and dirt on the stone can also affect its reliability.
Do the under the loop test. There are some things you can look for on the stone that might give away its identity if you own some sort of magnifying lens.
Try looking at the rock from the top and see how well the facets or the cuts on top of the diamond are joined. Make sure that they are sharp and not rolled.
See if it is faceted or frosty (a clear sign it's a diamond) or waxy and slick (an indication it's a fake) when you look at the girdle.
Look into your stone to see if you detect any flaws like small cracks, pinpoints, or carbon while you are looking at your stone under magnification. Since it's very hard to put inclusions in a fake, these are typically clear indications that it's the real thing.
After examining the stone, focus in on the stamps inside the setting. Indicating that the setting is real gold or platinum is a stamp of "10K, 14K, 18K, 585, 750, 900, 950, PT, Plat" and this gives a better chance that the stone in it is real as well. While you are looking at the interior of the ring, "C.Z." stamps that would indicate that the center stone is not a diamond is what you should also look for.
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