How to determine whether the moissanite purchased is real or fake?

To determine whether the moissanite you purchased is genuine or not, you can use the following methods:

1. Check for Certification

Genuine moissanite usually comes with a certification from a reputable gemological lab. The certificate should confirm that the stone is indeed moissanite and not another gemstone. The certificate typically includes details about the moissanite's characteristics, such as color, clarity, cut, and carat weight.

2. Hardness Test

Moissanite has a hardness of 9.25 on the Mohs scale, making it very resistant to scratches. You can perform a hardness test by attempting to scratch the surface with a known material. Be cautious when doing this, as it may damage the stone, but if the stone scratches easily, it may not be genuine moissanite.

3. Check the Sparkle (Fire)

Moissanite is known for its exceptional brilliance and fire, which is even more intense than that of diamonds. Observe how the stone reflects light in different angles. While diamonds are also sparkly, moissanite tends to exhibit more colorful flashes, especially under certain lighting conditions.

4. Weight Comparison

Moissanite is less dense than diamonds, so it will generally be lighter than a diamond of the same size. If you have a comparable diamond, you can weigh both stones and see if there is a noticeable weight difference. If it feels unusually light for its size, it may be moissanite.

5. Use a Jeweler's Loupe (10x Magnification)

A jeweler's loupe or magnifying glass can help you examine the stone closely. Under magnification, real moissanite may have sharp, crisp facets and lack the imperfections (inclusions) that are typically seen in diamonds. However, some high-quality moissanites can have small inclusions, but they generally won't be as visible as diamond inclusions.

6. Heat Conductivity Test

Moissanite has a lower heat conductivity than diamonds. You can test this with a thermal conductivity device. Diamonds, with their higher thermal conductivity, will cause the device to react faster, while moissanite will cause a slower response.

7. Price Comparison

Moissanite is generally much more affordable than diamonds. If the price of the stone seems too good to be true, it might not be genuine moissanite. Check the typical market prices for moissanite and avoid purchasing stones that are priced unusually low.

8. Professional Appraisal

If you're still unsure about the authenticity of the moissanite, the best option is to take the stone to a professional gemologist or gem lab for a thorough evaluation. They can accurately determine whether the stone is genuine moissanite or not using specialized tools and techniques.

By combining these methods, you can be more confident in determining whether your moissanite is genuine. If you are uncertain, always seek professional verification.