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 Post subject: Please help with sapphire color zoning-Straight??or Cashmir
PostPosted: Wed Oct 19, 2016 5:06 am 
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I have this sapphire that i'm trying to tell if it's real or synthetic as the zoning is at 70 degree and from left to right from rounded end to point and from side view diagonal 70 degree are this straight zoning the pictures are poor but maybe someone can help,found a needle under table at 30 power.


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10k cameo tiffany&Co 028.jpg
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color zoning sapphire new 011.jpg
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color zoning sapphire new 014.jpg
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 Post subject: Re: Please help with sapphire color zoning-Straight??or Cash
PostPosted: Wed Oct 19, 2016 4:43 pm 
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Location: Paris
I don't know about degrees and the rest, but what I see on the 1st picture looks like the curved growth striae of synthetic flame fusion corundum.
The color is consistent too.
If you could check the stone under SWUV, it could help.


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 Post subject: Re: Please help with sapphire color zoning-Straight??or Cash
PostPosted: Thu Oct 20, 2016 11:09 pm 
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Location: San Francisco
I agree with isi.


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