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New here...need some comparison help.

Stones with fluorescence are generally cheaper because they are technically worth less apart from Brian Gavin's blue selection which he handpicks and charges a premium for. I doubt GOG would sell you a stone where the fluoro would be an issue. In a very small percentage of stones we are talking like 5% to 8% it impacts the stone in a negative way making the stone look oily, milky, filmy and less bright looking, particularly in strong sunlight. I have seen one of these stones, once.

Just ask whoever you buy the stone from if it impacts on the stone in a negative way if they say no then its probably a bonus blue fluoro makes stones sometimes face or look whiter than they actually are some with strong fluoro glow a bluish colour out in the sunlight. Stay away from anything with yellow fluoro unless its a fancy coloured stone. Buy a UV light and enjoy the show.... Again its like diamond colour its all personal taste. Stones are generally worth more without it.
 
I'll just say ... that 5% may be exaggerated, because I've been looking for a stone with eye visible fluorescence for about five years. NONE of the PS vendors has been able to find me one, and I've tried them all. I think you should be safe going up to even SBF without noticing a difference to anything other than your pocketbook.
 
Circe|1373689736|3482235 said:
I'll just say ... that 5% may be exaggerated, because I've been looking for a stone with eye visible fluorescence for about five years. NONE of the PS vendors has been able to find me one, and I've tried them all. I think you should be safe going up to even SBF without noticing a difference to anything other than your pocketbook.

What size and colour are you looking for Circe, there was a largish RB in a shop here that is the one that I saw it was a triple ex H & A GIA but it wasn't cheap and it was very noticeably impacted. I know a wholesaler that has a few from time to time because my husbands family own a shop. Vendors probably don't get people asking for weird looking stones its not the norm....
 
There as a lot of split chank halos that could be really pretty, just remember not everyone likes a halo on such a large stone. Some do, some don't. ;)
 
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