When it comes to diamond jewelry, distinguishing between a real diamond and a synthetic stone can be a challenge, especially if you’re unfamiliar with a diamond’s structure and components. Whether you’re questioning the legitimacy of the jeweler or simply want to ensure the authenticity of your diamond engagement ring, it’s essential to know how to identify a genuine diamond from a fake one. In this comprehensive guide, we will walk you through eight tests that can help you determine if your diamond engagement ring is real or not.
1. Reflectivity: It Reflects Both Color and White Light
One of the most captivating aspects of a diamond is its ability to sparkle and shimmer in the sunlight. To assess the reflectivity of your diamond, observe the colors it reflects. A genuine diamond will display rainbow shades along with white reflections. If the stone only reflects white light and lacks any hues, it is likely to be fake. Remember, diamonds reflect a combination of white light and rainbow colors, creating a mesmerizing effect.
2. Rainbow Flashes: It’s Not Blinding You With Excessive Colors
While a cubic zirconia (CZ) may lack color, it often compensates by exhibiting an abundance of rainbow flashes. In contrast, a real diamond will have a more subtle and natural play of colors. If the diamond appears overly brilliant and emits an exaggerated array of colors, it may indicate that it is a CZ. For a more accurate assessment, it is recommended to compare the stones side by side rather than evaluating them individually.
3. Fog Test: It Doesn’t Fog Up
A quick and easy test involves breathing on the stone in question. A genuine diamond is less likely to fog up because condensation does not adhere to its surface as it would on a synthetic stone. On the other hand, a CZ will remain fogged up for a longer duration when you breathe on it. Performing this test in a comparative manner can provide clearer results.
4. Scratch Resistance: It Doesn’t Get Scratched
Diamonds are renowned for their exceptional hardness, making them highly resistant to scratches (except when in contact with another diamond). If you have the courage, you can perform a scratch test by gently using a knife to scratch the top of the stone. If it scratches easily, it is most likely a synthetic stone. A true diamond will not be scratched by stainless steel, whereas a CZ would be scratched immediately.
5. Thermal Shock: It Won’t Shatter in Extreme Temperatures
This test involves subjecting the stone to extreme temperature changes to observe its reaction. Hold the stone over a flame and then drop it into a glass of icy water. A real diamond will remain intact, while a fake diamond may shatter due to the extreme temperatures. Genuine diamonds can withstand significant heat without sustaining damage. However, please exercise caution as this test may destroy a synthetic stone.
6. Float Test: It Doesn’t Float
A less risky evaluation method is the float test. Simply drop your stone into a glass of water. If it sinks to the bottom, it is likely a real diamond. However, if it floats or remains partially buoyant, it is most probably a fake stone. Although this test is generally reliable, keep in mind that certain synthetic materials may have a density that allows them to sink as well. Therefore, if the stone floats, it is almost certainly fake, while sinking suggests authenticity.
7. Diamond Selector Tool: It Passes the Tool Test
For a more precise and foolproof evaluation, consider investing in an at-home diamond selector tool. These handheld devices, available on platforms like Amazon, provide instant feedback on whether a stone is a genuine diamond. It’s advisable to read customer reviews and ensure the credibility of the tool before making a purchase. This tool can be a reliable and convenient option to determine the authenticity of your diamond.
8. Consult a Jeweler: Expert Verification
While at-home tests can offer valuable insights, they are not infallible. When in doubt, it is always wise to consult a professional jeweler. Jewelers possess specialized tools, such as high-powered magnifying glasses, and have the expertise to accurately assess the authenticity of a diamond. Paying a visit to a trusted jeweler will provide you with a conclusive verdict and put any doubts to rest.