Spotting ‘Fake’ Lab Diamonds: 5 Foolproof Ways to Identify Authentic Gems!

Lab-grown diamonds have become increasingly popular in recent years, offering consumers a more affordable and sustainable alternative to natural diamonds. However, with the rise in popularity, there has also been an increase in counterfeit lab diamonds in the market. So, how can you spot these ‘fake’ lab diamonds? Here are five foolproof ways to identify authentic gems.

1. Certification and Documentation

One of the easiest ways to determine the authenticity of a lab diamond is through certification and documentation. Reputable diamond grading laboratories such as the Gemological Institute of America (GIA) or the International Gemological Institute (IGI) provide certifications for lab-grown diamonds. These certifications provide detailed information about the diamond’s origin, authenticity, and quality. Always ask for a diamond certificate when purchasing a lab-grown diamond and verify its authenticity with the issuing laboratory.

2. Optical Properties

Authentic lab diamonds exhibit similar optical properties to natural diamonds. When examining a lab diamond, look for the same brilliance, sparkle, and fire that natural diamonds possess. Lab diamonds should also have a high refractive index, which causes light to bend and reflect off the facets, creating a radiant shine. Use a magnifying glass or jeweler’s loupe to inspect the diamond’s facets for any inconsistencies or abnormalities.

3. Inclusions and Flaws

Just like natural diamonds, lab-grown diamonds may contain inclusions and flaws. These imperfections can help distinguish between a real and fake lab diamond. Genuine lab diamonds often have small, distinct inclusions that resemble those found in natural diamonds. These inclusions are formed during the growth process and can be identified under magnification. If a lab diamond appears too perfect or lacks any visible inclusions, it may be a sign of a fake.

4. Heat Conductivity

Another way to identify a lab diamond is by testing its heat conductivity. Lab diamonds have different thermal conductivity compared to natural diamonds. You can use a diamond tester or a thermal conductivity probe to measure the heat conductivity of the stone. Natural diamonds have higher heat conductivity compared to lab-grown diamonds. If the diamond shows significantly lower heat conductivity, it is likely a lab-grown diamond.

5. Price Comparison

While lab-grown diamonds are typically more affordable than their natural counterparts, it is essential to be cautious of prices that seem too good to be true. If a lab diamond is being sold at a significantly lower price than similar diamonds in the market, it may raise a red flag. Conduct thorough research and compare prices from multiple reputable sellers to ensure you are getting a fair deal.

In conclusion, identifying ‘fake’ lab diamonds can be challenging but not impossible. By looking for certification and documentation, examining optical properties, checking for inclusions and flaws, testing heat conductivity, and comparing prices, you can confidently identify authentic lab-grown diamonds. Always remember to purchase diamonds from reputable sellers and consult with experts if you have any doubts.