How to Tell if a Diamond is Real

real diamond

A diamond is a costly purchase. Heading for the gem, every customer wants to give money only for the high-quality gem and minimize the risks of being deceived by getting a cheap fake diamond. Hiring a jeweler expert may be expensive, thus, instead, we would like to offer you a guide into how to spot the difference between real and fake diamonds. Having read these lines, you’ll find out what a real diamond looks like, how to test a diamond, and even how to tell if a diamond is real with a flashlight.

Difference Between Real and Fake Diamonds

If you’re planning to head to the jewelry shop and purchase a diamond ring, earrings or even a loose stone you need to understand how to differentiate a precious stone from its worthless substitution.

To see if a diamond is real or fake, get armed with a few precious pieces of advice that we gathered from the reputable jewelers to buy an authentic gem and enjoy the purchase for decades. The first thing you should do to identify a decent diamond retailer is to ask the GIA, AGS, or IGI lab certificate. The certificate also means that the stone was mined legally and is absolutely conflict-free. All the most trustworthy diamond retailers like James Allen or Leibish.com have their diamonds certificated, however, not all real diamonds go with a certificate. In this case, how to identify fake diamonds and not to spend money on them.

Many of you heard about a popular scratch method. How to test a diamond using it? The answer is very simple. You should only scratch a mirror or any glass surface with a questionable stone. If the gem is hard enough to scratch it, this is probably a diamond. However, to differentiate a real diamond from the lab-grown cubic zirconia or quartz a diamond scratch test would be not enough. The point is, the diamond hardness rate is 10, while the quartz’s rate is 7 and the cubic zirconia is 8. All these gems will damage the mirror so the need to look for a new method arouses.

Pay attention to the setting of the ring. A diamond is a rare and precious gem, so it would be only placed in high-quality gold or platinum settings.
But nevertheless, If you have already purchased a gemstone and want to conduct a diamond test at home, we offer you some precious pieces of advice on how to tell a real diamond from a fake.

7 Tips on How to Spot a Fake Diamond

#1 How To Know If a Diamond Is Real With Fog?

Before you start, make sure the stone is free from dirt and stains. The diamond fog test needs a stone to be impeccably clean. All you need is you, a dubious stone and a cool place.

About the Fog Test

Diamonds possess a range of unique physical attributes. One of them is that these gems do not retain heat. Hence, to identify the authentic diamond from its synthetic twins, try going out in a cool place then fogging on it with your warm breath and see how fast the condensate evaporates. If the fog disappears immediately, congratulations, you’ve bought a real diamond. To see how the fake diamond would react, try fogging on your glasses, phone screen or the mirror. See how fast they fog up and how long it takes for them to get clear.

#2 How To Tell If a Diamond Is Real With Water?

No lab-created gem compares to the real diamond. This is a symbol of eternity and affection, especially if you’re purchasing a diamond ring to propose to your lady. Or even if you’re a bride who wants to check if your groom was generous enough to purchase a diamond. Water is the real assistant if you decided on diamonds testing on your own.

You need a cup of water and a gem.

About the Water Test

The test needs no special skills, just immerse a stone into water and observe. If a gem sinks to the bottom, this is a real diamond, but if it floats, bad news, the diamond you’ve purchased is a fraud. Real diamonds are very dense, they would never float, unlike cubic zirconia or quartz. However, remember that the water diamond test is only efficient for loose diamonds.

Keep in mind that despite the lower density, big gems of quartz or cubic zirconia gems can also sink as they are too hard to float.

#3 How Do You Know a Diamond Is Real Using Magnifying Glass

If you wonder how to tell real diamonds using a magnifying glass, try the following. You need a magnifying glass minimum of 10x magnification capacity, a gem that you know is real, a stone you’re going to test and cubic zirconia if possible.

If you’re firmly intended on conducting the test, but don’t have a magnifying glass, try looking for it on the Internet. Amazon, for example, has a variety of magnifying glasses for reasonable prices.

About the magnifying glass Test

Diamond is a gem that reveals on Earth with magma, hence they’re likely to have imperfections. Some gems are carefully put into settings that hide the little flaws of stones. Lab-made gems are flawless. Natural diamonds have slight imperfections, called inclusions. Look for very slight color changes, try to spot small flecks of minerals that are peculiar to naturally-produced diamonds. If you already have an artificial gem or a real diamond, try to compare it to the questionable stone.

#4 How Can You Tell If a Diamond Is Real With Black Light?

One more interesting method on how to tell. is the blacklight or the UV light how we call it. All you need is darkness, a stone, and a UV lamp.

About the blacklight Test

When put under the blacklight a natural diamond emits a beautiful blue fluorescence. The presence of even medium light means that you’re dealing with a real diamond. But nevertheless, not all diamonds exhibit fluorescence, so the absence of light doesn’t mean that a diamond is fake. If a stone has a slight yellow, green or blue fluorescence, it means, you’re dealing with moissanite.

One more flaw of this method is that labs work hard on creating a fake gem that would have the same attributes as the natural one. Hence, fake diamonds can be doped and so will also eliminate an awaited blue light. Try not to rely on the results of this test as on the definitive. Frankly speaking, it takes lots of knowledge and proficiency to tell a difference between a diamond and moissanite.

#5 How To Tell If Diamonds Are Real Using a Loupe?

The first question that you may ask is what is the difference between a magnifying glass and a loupe. A magnifying glass has a metallic holder, making it more convenient to hold. Secondly, a lens of a loupe has a more conical form, while the lens in the magnifying glass is flatter. The last, a loupe is mostly preferred by professional jewelers.

About the loup Test

To begin a test, find a loupe and a questionable stone you think is a diamond. Just like with a magnifying glass, start looking for little inclusions that are peculiar to naturally created gems. Fake diamonds are produced in a lab, in a fully controlled environment, so the possibility of imperfections is very low. If not only the stone was damaged on purpose.

#6 How To Tell If Diamonds Are Real Heating a Stone?

Diamond is a solid gem that withstands high temperatures and rapid temperature fluctuations. This is the unique method to test whether the gem is an authentic diamond or you’ve bought a beautifully cut glass or synthetic cubic zirconia. All you need is a source of heat, fireproof gloves, and a cup of freezing water.

About the heating stone Test

As you already know, a real diamond is unresponsive to heat and cold. Heat the stone and then immediately put it into the glass of water. A glass and cubic zirconia will surely shutter and crack. If you see that a questionable gem is still safe and sound you can be proud of having got a beautiful authentic gem. We strongly insist on using these methods only for loose diamonds; a gold or silver setting may get spoiled. If you wonder how to tell if a diamond earring is real, the best method is to use the professional jeweler’s services.

#7 How To Tell If A Diamond Is Real With a Flashlight?

Another reliable and thus simple method will help to distinguish a diamond from moissanite is a flashlight test. All you will need is a stone, bright flashlight, water, a piece of a white sheet and a plastic lid from a bottle, for example. Pour water in the lid, immerse your stones there, and put a ray from a flashlight from above so that the reflection of a diamond and moissanite passes onto the paper.

About the flashing Test

How to identify diamond from the moissanite? Elementary. Observe the light radiated from the stones. Diamond radiation will resemble the flame of a gas burner on a home stove.  Moissanite has a brightness that is a quarter higher than diamonds. When putting the flashlight, it will exhibit long rays beautifully luminescent with a wide range of colors.

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