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- If you see a circular reflection inside the gemstone, the stone is fake. If you cannot see the dot or a reflection in the stone, then the diamond is real. Because a true diamond has powerful refractive qualities, light will bounce in different directions instead of a straight line.
www.diamonds.pro/education/how-to-tell-if-diamonds-are-real/
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May 31, 2024 · Many of the tests in this guide, like the fog test and the thermal conductivity test, can help determine if a diamond is real. But due to the number and complexity of synthetic gemstone materials, we recommend consulting a diamond expert or jeweler to review the pieces you already have in your home.
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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".
- 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.
Whether beneath the trained eye of an expert, or simply the adoring eye of an enthusiast, one thing is certain: a fake cannot and will never come close to the sparkle of a real diamond. The Diamond Expert has prepared an ultimate guide on how to tell if a diamond is real or fake.
- Test Your Diamond With the Scratch Test. Supplies you'll need for this diamond test: Mirror or sandpaper. The scratch test used to be the primary method to determine if you stone is a real diamond.
- Check If Your Diamond Is Fake With the Fog Test. Supplies you'll need for this diamond test: Your breath. Tweezers (optional) You can do the fog test at home with a mounted or unmounted stone.
- The Newspaper / Dot Test to Find Fake Diamonds. Supplies you'll need for this diamond test: Newspaper/Paper. Pen. While originally done with a newspaper, you can perform this test with just a plain piece of paper.
- Check If a Diamond Is Real With the Water Test. Supplies you'll need: Glass. Water. The water test is a simple test to perform, but it only works if you have a loose stone.
Jul 27, 2020 · A quick and easy way to tell if your diamond is real or not — put the stone in front of your mouth and fog it up with your breath. If it clears up after a second or two, then it's real, but if karat stays fogged for three seconds or more, then you're looking at a fake.
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.
