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How do you test a diamond is real?

Updated: 9/15/2023
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Wiki User

15y ago

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There are a number of different ways to tell. The quickest and easier is the fog test: a real diamond will disperse the heat from your breath immediately, the setting: such as 10k, 14k or 18k stamps inside the setting, anything with a C.Z (cubic zirconia) usually indicates that the diamond is not real, a jewelers loupe and also if it has rainbow reflections if you look at it from the top. You can also take it to a jeweler and get it evaluated.

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8y ago
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15y ago

By stratching it on a piece of glass. If the glass is scraped then the diamond is real.

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Q: How do you test a diamond is real?
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Related questions

Can breathing on a diamond tell you if it is real?

A better test is with a probe, which your jeweler will use to tell you if the diamond is a real diamond.


How do you find if a diamond is real?

Take your diamond to a jeweler who can test the stone to confirm that it is or is not a diamond.


How do you test if a diamond is real at home?

Well, real diamond is having property to cut the mirror.So you can check out by cutting a piece of mirror at home and you can easily detect that if the diamond is real or not...


How do you see if silver has a real diamond?

You take it to a jeweler who can test the stone and verify that it is a diamond, or that it is imitation.


How do you heat test the diamond?

DON'T heat test a diamoind. Leave it to a jeweller. If you apply heat to a diamond it will become soot (graphite).


How can you test the rock in the ring to see if the diamond is real?

if it will cut glass


How do you tell an uncut diamond is real?

The field test for a diamond stone is its extremehardness. Lacking any tool to test extreme hardness, take the raw stone to a jeweler, who can use a probe to confirm that the stone is or is not a diamond.


How do you find out if a diamond is real besides testing it with a diamond tester.?

A 'quick and dirty' test is to pass the diamond over glass. If it cuts the glass, it's probably a diamond. Some 'fake' diamonds cloud up under cold water; a real diamond remains clear. Finally, a certified gemologist will always be able to tell whether a diamond is a real diamond, or a 'fake' diamond -- using a diamond tester.


Can you tell a real diamond by breathing on it?

No, breathing on a diamond will not reveal its authenticity. The fog test, which involves breathing on a gemstone to see if it fogs up, is not a reliable method to determine if a diamond is real or fake. Other tests such as using a diamond tester or consulting a professional jeweler are more accurate ways to verify a diamond's authenticity.


How do you check if a diamond is real from a black light?

It fluorescesAnother AnswerNote that some diamonds possess florescence, some do not.A reputable jeweler with a probe will generally be able to tell you whether or not a diamond is a real diamond. A better test is to take the diamond to a certified gemologist and pay for a certificate.


How can you tell if an earring is fake?

One way to tell if cheap diamond stud earrings are counterfeit is a transparency test. Since you cannot read through a diamond, if you are able to read through the test subject, it is not a real diamond. You could also check to see if the test subject holds heat by breathing on it. If the fog doesn't clear, it is not a real diamond.


Can you tell if a diamond is real by putting it in a strait line and how?

Take your diamond to a local jeweler, who can use a probe to determine whether or not the stone conducts heat, which is the best test for a diamond's authenticity.