325 N. Front St. ,McHenry, IL 60050

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P: (815) 385-6070 F: (815) 385-6423

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Fracture Filled Diamonds

I just saw a news report on diamonds that are fracture filled and being sold to consumers without their knowledge. What is fracture filling and how can you tell if you bought one?

Fracture filling is a treatment that enhances the clarity of a diamond. If a diamond has noticeable inclusions that are fractures, those fractures can be filled with a clear substance that makes the inclusions almost disappear. The end result is a cleaner looking diamond.

This treatment has been around for many years and should ALWAYS be disclosed to the customer. Fractured filled diamonds need to be handled differently than untreated stones. The filling can come out if the diamonds are exposed to heat, ultrasonic cleanings and routine repairs.

Because there are large mass marketers in the jewelry business, we are seeing more issues that are misrepresented to the consumer. The most common are carat weights, pricing vs value, color enhancements and synthetics.

As a consumer it is virtually impossible for you to tell if you bought a fracture filled diamond. You will need to consult with a gemologist in order to confirm your purchase. A fracture filled stone should cost less than an untreated stone, so it’s definitely worth checking it out.

It’s also important that your gemologist is keeping up with all things new in the diamond and gem world. Technology and science is lending itself to some cutting edge manufacturing when it comes to synthetics & treatments. Please feel free to contact us if you have any questions.


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