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Diamond & blacklight - Question

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flstfi03

Rough_Rock
Joined
Jan 5, 2010
Messages
15
When viewing a RB diamond with a blacklight behind it, I noticed a soft white halo in the center of the table.
Not visible at 10x or under regular vision.

Not sure if that would be generated as a result of the diffused light coming from behind or as a result
of a medium to large sized cloud. No evidence of a large cloud in the comments on the GIA report or any evidence of it on the plot.
It was a fairly large soft bright halo is the center of the table. no culet.

Please let me know if this would be any cause for concern.

The diamond seemed to glow fairly well with the blacklight behind it despite being rated faint. An AGS cushion with negligible flour. was right
beside it and was pretty much completely dark. medium culet.

Thanks for your thoughts...
 

stone-cold11

Super_Ideal_Rock
Joined
Sep 9, 2008
Messages
14,083
No idea as we cannot see what you are talking about. Have you get it independently appraised?
 

elle_chris

Ideal_Rock
Joined
Feb 19, 2004
Messages
3,511
Not sure what you''re talking about other than Fluorescence..

Can you post a pic?
 
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