CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: Synthetic VS Synthetic
PostPosted: Fri Oct 19, 2012 2:56 pm 
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Location: houston, texas - usa
Hello,

I am studying Gem ID through the GIA online courses and I'm practicing with stones I have in stock.
As i identified some of them as Synthetic Corundum (ruby and color change sapphires), my main issue now is to put a price on them. Looking over the internet with big jewelry suppliers and others, prices will go from $6 to $500.
So, my question is, how do I know I have a $6 synthetic or a $500 one? Is there a website where i can go to find price samples? We've had those stones for years and I would not like to over or under sell them.
Any advice will be truly appreciated.
Thank you

Virginie


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 Post subject: Re: Synthetic VS Synthetic
PostPosted: Fri Oct 19, 2012 10:50 pm 
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Location: San Francisco
Are they flame fusion synthetics? Flux grown? Made by anyone of note?


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 Post subject: Re: Synthetic VS Synthetic
PostPosted: Mon Oct 29, 2012 9:36 am 
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Well the order of value for Synthetic corrudnum is generaly from lowest to highest:

1. Flame Fusion pennies - to one/two $/per ct cut (except the Mintly Green out of Europe which gets quite a bit more)
2. hydromthermal/pulled - these can get expensive the rough can be 6-9$/ct but some of it is inexpensive - it really varies, but certainly more valuable than Flame Fusion
3. Flux - very expensive for synthetic - depending on WHO grew the crystals, sky is the limit.
-John


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