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Diamond Fluorescence: To Be or Not To Be 

Fluorescence is neither good nor bad.

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Diamond Fluorescence:  To Be or Not To Be (PRESS RELEASE) Lately, the question among retailers is, “Why am I seeing so many diamonds on Rapnet and internet sites showing medium to strong fluorescence?” They in turn are being asked be their customers, “How does fluorescence effect my diamond?”

The answers are not always easily explained as retailers view fluorescence quite differently. Some may feel that their geographic location in snowier parts of the country is not good for diamonds that may have fluorescence while others love fluorescence and its effects, and other retailers may be indifferent. The fact of the matter is that with the increase in demand for diamonds and diamond jewelry and the limited supply, generally due to Covid, resourcing of what a retailer may view as the “perfect” diamond may also be limited.

GN Diamond has an inventory of over $70 million natural diamonds in all shapes, sizes, colors, clarities, fluorescence, non-fluorescence, and price points. One of the features that GN Diamond offers on all of its natural certified diamonds is 3rd Party Light Performance. When this light performance score indicates an excellent or very good and has medium to strong fluorescence it helps retailers sell the diamond and reduces/eliminates consumer concern over the brightness of the diamond.

We look to GIA as being one of the expert resources to help conquer end consumers fear of fluorescence. Here is what they say:

Can an average person tell the difference between diamonds that do and don’t fluoresce?

GIA has studied the effect of blue fluorescence on diamond appearance. The Institute screened a large number of diamonds, assembling four sets of six diamonds, with each group representing a different color grade (E, G, I, and K). The diamonds in each set were as similar as possible in all respects except the intensity of blue fluorescence. Diamond graders, trained professionals, and average observers viewed the diamonds in controlled conditions to make a judgment about their appearance.

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Here is what GIA found: “For the average observer, meant to represent the jewelry buying public, no systematic effects of blue fluorescence on the face-up appearance of the groups of diamonds were detected. Even experienced observers did not consistently agree on the effects of fluorescence from one stone to the next.”

Simply put, blue fluorescence had a negligible effect on the face-up appearance of diamonds in the colorless or near-colorless grade ranges (grades D through J) except for a slight improvement in the rare instances of very strong fluorescence intensity.

GIA answers, “Is diamond fluorescence good or bad?”

Fluorescence is neither good nor bad. A diamond’s beauty is in the eye of the beholder. You may perceive fluorescence, or you may not. You may like it, or you may not.

GN Diamond’s extensive inventory of natural, loose diamonds may be viewed at www.gndiamond.com. Open 7 days a week with any questions, simply email them at sales@gndiamond.com or call 800-724-8810. It also now carries a full inventory of lab grown diamonds all made in the USA with all shapes and sizes.

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