But one has Fluorescence, the other doesn’t. Both are the same Color, Clarity, Carat Weight and Cut. You definitely can save a good chunk of money by buying a Diamond with Fluorescence.Ĭompare these two similar Diamonds below. You have to view them to see for yourself and make your own buying decision. It will make it look like a lower Clarity stone.Īgain, not all Diamonds with Fluorescence, even Strong Fluorescence are affected in natural lighting. They really look stunning and awesome in the dark, but chances are, it will also make a High Clarity (like VVS or VS) look foggy, cloudy, milky and dull. These Diamonds glow very bright under Black Light. The Worlds most Famous Blue Diamond – The Hope Diamond, actually glows a Strong Red hue! Usually a Strong Fluorescence means the Diamond will glow very strong under Ultraviolet Light (as in this Black Light), and in natural light, the Diamond will normally appear milky, hazy or cloudy. There will probably be visible characteristics that you can see with the naked eye. Strong Fluorescence is a good sign that the Diamond’s appearance WILL be affected. Not all Diamonds with a Medium Fluorescence will look hazy, each Diamond has to be scrutinized to tell, but a Medium Glow will usually change the look and feel of a Diamond more often than not. It just wouldn’t sparkle as much as the next Diamond, but like I said, this is probably very slight if not barely noticeable.ĭiamonds with Medium Fluorescence will usually do a couple of things to a Diamond: It will look a little hazy, and it may even make the Diamond look a little whiter in color. They are less likely to have any great visual difference in the stone.įaint may give your Diamond a slight, very slight filmy glaze, but most people probably would never even notice this. If I had to choose a Diamond to buy with Fluorescence, I would choose Faint. You can’t get better than that! None, means the Diamond has no Fluorescence whatsoever. There is no Fluorescence to affect the beauty and sparkle of the stone. No Fluorescence (listed as “ None” on the Reports) is the easiest to judge. GIA grades Fluorescence with 5 different ratings: So looking at a Diamond with Fluorescence, could save you hundreds of dollars! BUT, if a Diamond has Fluorescence, it usually does lower the value of the stone by 20%. You won’t get a lower Clarity or Color rating because of it. This is why many people, including myself, say it’s easier not to purchase Diamonds with Fluorescence (unless you can actually view the Diamond you’re buying to see the results for yourself).įluorescence doesn’t affect the Grading of the Diamond in the least.
Each Diamond has to be judged individually and viewed in natural light to see how the traits affect that stone. Some Diamonds with Fluorescence will take on a foggy, hazy or milky appearance (no matter what the Clarity or Color is).Įven a VVS Clarity Diamond can look lifeless if it has Fluorescence.īut then again, I’ve also seen lower Clarity Diamonds look great with Fluorescence.
Every Diamond that has these special traits will look differently and react differently with light (both Ultraviolet Light and natural light). There is no right or wrong about Fluorescence. They are pretty cool, but only if this phenomenon doesn’t affect the beauty of the stone. People are fascinated by Diamonds that glow. Here is Fluorescence on an older Diamond Report…Īnd here is a new GIA Diamond Certificate with Fluorescence… It’s another way of looking at a stone and saying “ Yes, that’s my Diamond“. Plus, Fluorescence makes identification easier. The reason behind this is simple, a Diamond with Fluorescence can sometimes make a Diamond appear whiter in Color and that can become a little misleading when people think it’s actually the Color of the Diamond that they’re seeing.įluorescence being split off by it’s own, just makes sense. Fluorescence used to be listed on GIA’s report under Color Grade years ago (on older GIA Diamond Certificates), but not anymore. Fluorescence isn’t a part of GIA’s 4C’s: Cut, Color, Clarity and Carat Weight, it’s in a class all by itself.
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