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   How do you know if a stone is a real diamond?

   • If the fog quickly dissipates, the stone is more likely to be a real diamond. A fake stone will not clear as effectively, and the more you breathe on it, the more clouded and foggy it will become. The condensation will build on a fake diamond but will be unable to form on a real diamond.

   How to Tell if a Diamond is Real or Fake – A Complete Guide

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   How do you know if a diamond is fake?

   • One of the easiest tests to perform is “The Dot Test”. Place a white piece of paper on a flat surface and draw a small dot with a pen. Lay the stone onto the dot with the flat side down. Through the pointed end of the diamond, look down onto the paper. If you see a circular reflection inside the gemstone, the stone is fake.

   How to Tell if a Diamond is Real or Fake - Complete Guide - The Diamo…

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   How do you know if a stone is real?

   • Most curious citizens turn to a professional jeweler in order to suss it out. But you don't have to be Sherlock Holmes to tell the real from the duds. A little bit of light, some water or warm breath, and a jeweler's loupe is all you need. Use the fog test. Put the stone in front of your mouth and fog it like you would a mirror.

   5 Ways to Tell if a Diamond is Real - wikiHow

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   How do you know if a diamond has a sparkle?

   • A diamond’s signature sparkle is a function of a cut diamond’s refractivity – the way it reflects light. This test will only work if you have a loose stone, because you need to be able to look through the stone from top to bottom. Place a newspaper or book flat on a table. Place your stone bottom-side down on top of some text.

   How To Tell If A Diamond Is Real or Fake: 7 Simple Tests

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2. www.diamonds.pro › education › how-to-tell-ifHow to Tell if a Diamond is Real or Fake - Complete Guide

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   May 31, 2024 · Use a set of plyers or fireproof gloves to hold the stone. Heat the stone with a lighter for approximately 40 seconds, then drop the stone directly into the cold water. If the stone shatters, it is made of weaker components and is not a real diamond. A true diamond will show no reaction.

3. www.wikihow.com › Tell-if-a-Diamond-is-Real5 Ways to Tell if a Diamond is Real - wikiHow

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   • Testing Mounted Diamonds. Use the fog test. Put the stone in front of your mouth and fog it like you would a mirror. If it stays fogged for a couple seconds, it’s probably a fake — a real diamond disperses the heat from your breath instantaneously and won't fog up easily.
   • Testing Unmounted Diamonds. Look at the stone's refractivity. Diamonds sharply bend, or refract, the light that passes through them, resulting in their strikingly brilliant appearance.
   • Testing Professionally. Ask for a heat probe test. The tight, evenly-packed crystalline structure of diamonds makes them disperse heat quickly; thus, real diamonds will not heat up easily.
   • Telling Natural Diamonds from Other Stones. Recognize synthetic diamonds. Lab-created or synthetic diamonds are "real" but they are not "natural".

4. www.saintdiamonds.com › blog › how-to-identify-realHow to Identify Real Diamonds: Home Tests and Expert Tips

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   2 days ago · The fog test is one of the simplest ways to check if a diamond is real. Hold the stone between your fingers and breathe on it to create fog. A real diamond disperses the fog almost immediately because diamonds are excellent heat conductors. On the other hand, fake diamonds, like cubic zirconia, will hold the fog for a few seconds longer.

5. Videos

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     Found a diamond? Identify, Test, and Verify Real Diamonds - Tips and tricks for testing

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     How To Tell If A Diamond Is Real Or Fake

     14 May 2014

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6. www.gemsociety.org › how-to-spot-a-fake-diamondHow to Spot a Fake Diamond: What These 13 Tests Really Mean!

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   • Video Duration: 2 min

   • Thermal Test (The Best Test to Spot a Fake Diamond!) In this video, FAKE and REAL shows you how to use a diamond detector! Video licensed under Creative Commons.
   • Facet Doubling. What You'll Need. A jeweler's loupe or magnifying glass and some patience. How to Check for Facet Doubling. For this test, take the loupe and examine the stone closely.
   • UV Fluorescence. What You'll Need. A blacklight. How to Check for Fluorescence. In a dark room, shine the blacklight on your gem and see if it fluoresces.
   • Newspaper/Dot Test. What You'll Need. A newspaper or a piece of paper with a small dot drawn on it. This test is only appropriate for loose gems, not set ones.

7. diamondexpert.com › diamond-education › how-to-tellHow to Tell if a Diamond is Real or Fake – A Complete Guide

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   Simply breathe on your diamond to fog it as you would a mirror or window. If the fog quickly dissipates, the stone is more likely to be a real diamond. A fake stone will not clear as effectively, and the more you breathe on it, the more clouded and foggy it will become.

8. www.brilliantearth.com › news › how-can-you-tell-ifThe Best Way to Tell If a Diamond Is Real - Brilliant Earth

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   Jan 4, 2024 · There are seven at-home test that can help indicate if your diamond is real: The Water Test: does it sink? The Fog Test: does it clear quickly? The Scratch Test: is it scratchable? The UV Light Test: is it fluorescent blue? The Loupe Test: is it included or inscribed? The Heat Test: does it maintain its structure?

9. www.diamondbuyingschool.com › diamond-buying-guideHow To Tell If A Diamond Is Real or Fake: 7 Simple Tests

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   Can you tell if a diamond is a real with your naked eye? A real diamond’s refractivity means that it sparkles brilliantly under intense light. If you compare a real diamond and a fake material like cubic zirconia, it should be obvious which stone is real.