(Closed) F Color Diamond with Blue Fluorescence Opinions???

posted 6 years ago in Rings
Post # 2
Member
82 posts
Worker bee
  • Wedding: April 2016

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jessijess94:  I don’t have a similar diamond, but with a grade color F, you don’t need fluorescence, in the higher grades where it is not needed, fluorescence can make a diamond look cloudy, especially in direct UV light. idk what clarity you are looking at, but I never recommend fluorescence on higher grade color stones. Hope this helps and hope i didn’t rain onyour parade too much. 

  • This reply was modified 5 years, 7 months ago by jbean333.
Post # 3
Member
202 posts
Helper bee

Will your jeweller let you take the stone out to view in direct sunlight? 

My jeweller let me do this to see how white the stone looks in daylight.

Post # 4
Member
1520 posts
Bumble bee

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jessijess94:  Like a previous said, are you able to take it out of the store and see it in different lighting? The stores lighting shows the stones off at their best and can look different to what they will look like in daily life. 

Blue flouresence isn’t needed in higher colours. There is a good chance it’s going to look blue, F colours look really white alone. Plus it can make your stone look cloudy.

Post # 5
Member
82 posts
Worker bee

I have a f si1, 1.2ct with strong blue fluorescence, it’s not cloudy at all, very few stones with fluorescence are actually cloudy, I love mine and bought a little uv pen light to watch it shine bright blue – it’s super interesting.

Post # 6
Member
337 posts
Helper bee
  • Wedding: April 2016

If you hadn’t seen this stone in person, I’d advise against it, but as you have–and loved it–I would do it. I wish my diamond had fluoro! Fluorescence in a whiter stone (DEF) can cause a cloudy appearance, but not always, as this stone (and some other bees) shows.

Post # 7
Member
1629 posts
Bumble bee

So … fluoresence is only a problem if it is a problem.  Although a whiter stone (D/E/F) is more likely to be “overblue” (suffer ugly cloudiness or oiliness or hazyness as a result of the fluoresence) than a warmer stone, it isn’t necessarily going to be overblue.  If you saw the stone, and it looked fine in person, it isn’t overblue. Will it glow a bit blue in sunlight? Maybe. Maybe not. That annoys some people, and some people love it. Will it glow blue under a black light in a nightclub? Yes. 

Because fluor can adversely effect the performance of the whiter stones, it virtually always results in a slight discount in those stones. Because fluor can help warmer stones face-up a bit whiter, it results in a premium in those stones. So sometimes the presence of fluor means the stone will be cheaper, sometimes it means the stone will cost a bit more. 

If you’ve got an F stone with strong blue fluoresence that isn’t overblue, it’s a good thing … because the stone will be discounted a bit for something that doesn’t have any adverse effect. If you were looking at the stone and it looked great to you, the fluor shouldn’t be a problem. If, as a matter of taste, it is going to bother you if it glows a bit blue outside in the sunlight, then take it outside and have a look and see if it does show any blue color, and if it does, if you do/don’t like it. 

I specifically sought out blue fluor in my stone (an E), as it didn’t effect the look of my diamond at all but resulted in a decent discount. 

But yeah, you have to be careful and look at the stone in person, because fluor, especially strong fluor, can cause that ugly haziness. It usually doesn’t, though. 

Post # 10
Member
82 posts
Worker bee

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jessijess94:  not at all.  I think there are massive misconceptions from people who have never actually seen fluorescence in real life. 

My stone as an F is already quite colourless, it looks bright in the sun and I live in a very sunny part of Australia with a harsh light. 

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