Distinguish Between Moissanite And Natural Diamonds To Grasp These Points

Moissanite, in fact, refers to synthetic moissanite, also known as synthetic silicon carbide. Because its internal structure, value, and appearance are strikingly similar to diamonds, even if it is tested with a general thermal conductivity meter, it will be judged as a natural diamond. It is difficult to distinguish with the naked eye and is also a semi-precious stone with physical properties closer to natural diamonds. Therefore, it is more difficult for ordinary consumers to judge.

But in fact, with a few key points that distinguish moissanite from natural diamonds, you can easily distinguish between the two.

How to distinguish moissanite from natural diamonds

Many similarities, but the price is a tenth. Therefore, many jewelry manufacturers use it as a substitute for diamonds, and are used to make a lot of exaggerated fashion jewelry to achieve the effect of natural diamonds. But it also creates opportunities for unscrupulous traders who use synthetic moissanite to counterfeit natural diamonds in order to make high profits. As mentioned earlier, the use of general thermal conductivity, which is what we often call a drill pen, cannot distinguish between the two. So, is there any way we can distinguish them?

  1. Measure the specific gravity

Moissanite has a different specific gravity than natural diamonds, with diamonds having a specific gravity of 3.52 compared to moissanite having a specific gravity of only 3.22. In the case of conditions, for moissanite diamonds that have not been mounted, they can be tested with methyl iodide specific gravity solution (specific gravity 3.32), and it is easy to distinguish between the two.

Second, the hardness measurement

Although moissanite has a hardness of 9.25, it is still different from natural diamonds, so the scratching test on the surface of moissanite with a diamond hardness tester will leave scratches, and for natural diamonds, the hardness tester has no way to leave scratches on its surface.

Third, the magnifying glass observes the faceted edge ghosting

This is arguably an easier way to distinguish natural diamonds from moissan, which can be done with a tenx magnifying glass.

Since natural diamonds are monorefractive gemstones, there is no way to see ghosting when viewed with a 10x magnifying glass. However, moissanite is a birefringence gemstone and ghosting is visible when viewed from the kite facet of the crown to the bottom tip under 10x magnification. This is very critical, if you can see the ghosting, it means that this must not be a diamond, very easy to learn.

  1. Polishing lines

Moissanite has waist polishing lines parallel to each other, which is completely different from diamonds. And because of the difference in different directions, the polishing direction of the diamond is constantly adjusted during the polishing process, and moissanite can be polished in the same direction. This is especially true between adjacent facets.

  1. Inclusions: The inclusions of diamonds are different from moissanite inclusions. There are inclusions in all identified moissanite that are arranged in parallel in a needle-like manner. Thin parallel lines of reflection can be seen within some moissanite.

If worn as a general ornament, moissanite has no drawbacks – it is inexpensive and has the properties of a natural diamond. But if you want to collect investments, or if you want to preserve your value, then moissanite is not an ideal choice. After all, it is synthetic, and the price will inevitably be affected by technological development and production, which is still very different from natural diamonds.


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