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The pink sapphire price

Discussion in 'Colored Stones' started by Goldenco, Dec 7, 2017 at 5:50 AM.

  1. Goldenco
    Rough_Rock

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    by Goldenco » Dec 7, 2017 at 5:50 AM
    Hi there,
    Anyone or specialist here know the average price of good quality pink sapphire?
    Certified by GIA or other lab as heated (b) : heated with residue or heated only.

    What's also the average price of ruby heated (b) not glass filled.
    Thanks
     
  2. chrono
    Super_Ideal_Rock

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    by chrono » Dec 7, 2017 at 7:36 AM
    This is akin to asking what the average price of a good car. There are many empty blanks to fill, so the answer is going to be as broad as your question, which is anywhere from $100 to $100K. For rubies, it can be anywhere from $100 to $1M.

    What is your definition of "good" quality?
    What sizes are you looking at?
    Cut quality?

    Some pictures go a long way than generic questions trying to encompass all categories..
     
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  3. Goldenco
    Rough_Rock

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    by Goldenco » Dec 7, 2017 at 10:34 AM
    I know the prices of unheated sapphires and rubies.
    I am asking precisely about the heated or heated with residues sapphire and rubies.
    Weight: 5 ct, good color and transparency and good cut.

    I don't find any infos.
     
  4. chrono
    Super_Ideal_Rock

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    by chrono » Dec 7, 2017 at 10:39 AM
    Define good colour in terms of saturation, tone, and hue
    Define good cut in terms of brilliance, symmetry, windowing, and etc.
    I'm guessing you are referring to BE diffusion? How much flux healing?

    There is some information in The Guide but you also have to understand how each category is defined.
     
  5. Goldenco
    Rough_Rock

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    by Goldenco » Dec 7, 2017 at 11:33 AM
    s-l1600.jpg Look at this example of pink sapphire heated with residues, I am not asking about beryllium heated but about pink sapphire heated and heated(b) and flux healed rubies.
     
  6. minousbijoux
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    by minousbijoux » Dec 7, 2017 at 12:37 PM
    First, welcome to the forum! We are consumers here and by and large not members of the Trade, so I would suggest you do what we all do - look around online for comps. ebay, our recommended vendor list, any other reputable sellers you may know, and come up with an average based on what you see.
     
  7. Goldenco
    Rough_Rock

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    by Goldenco » Dec 7, 2017 at 2:42 PM
    You don't need to be in the trade to know the prices.
    According to Gemeswizard the price of pink sapphire per carat is 200$ to 800$ per carat but the heating is not mentionned.
     
  8. Frost
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    by Frost » Dec 8, 2017 at 11:34 PM
    5 carat, good quality heated pink: anywhere between 10k - 25k depending on the stone and how it looks. A vivid/hot pink that's very clean and well cut and brilliant will be on the higher end of that scale.
    Pink sapphires are pretty rare in sizes above 5 carats and extremely rare in sizes above 10.

    The Gemeswizard data above, if correct, is massively outdated; 5 carat vivid/hot pinks (heated) aren't even close to purchasable at $800/carat (even at source). 5 carat light pinks are though.
     
  9. Goldenco
    Rough_Rock

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    by Goldenco » Dec 9, 2017 at 3:06 AM
    Ok, thanks.
    What is the difference in price between heated (a) and heated (b) with residues sapphire.
     
  10. Frost
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    by Frost » Dec 9, 2017 at 5:02 AM
    If I'm not mistaken, what you're referring to is heating categorization terms in use by GRS (and possibly other labs). And if I recall correctly, corundum which has been only standard heated without any funny business like glass filling - which is not a widely accepted practice and you shouldn't buy those - has a grade of H (and possibly H(a) too, can't recall).

    Best call a lab to confirm though, and if unsure or can't check aim to buy "H" which is safe. If nothing else, even if a stone hasn't been glass filled, small residues of the heating process can in some cases result in a stone which looks cloudier/dimmer/hazier than it otherwise would - so in theory, H(b) could look less clear than H(a) and H would be clearer than H(a) etc (but of course, that's only a theoretical example and stones may or may not follow it - there are always exceptions).
    That dimness, if it happens as a result of heating, is something that's solvable by repolishing only in cases where a stone has been heated *after* having been cut - meaning usually it's been double-heated, which is very rare as most stones normally get heated before being cut.

    EDIT: And the prices I mentioned above (as examples) were for clear looking, "normal" heat pink sapphires without any undue leftover flux or heaven forbid glass filling. Would not recommend paying anything at all for those.
     
    Last edited: Dec 9, 2017 at 5:09 AM
  11. Goldenco
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    by Goldenco » Dec 9, 2017 at 5:08 AM
    We talk about heating with residues or flux not glass filled, I found this info:

    "Again, this will depend on how much residue is presented in the heated rubies, which the labs can classify as minor, moderate or significant residues. For each level the price will drop accordingly, in average of almost 20% to 50% per carat. Signs to check for flux healed rubies are explained below."
     
  12. Frost
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    by Frost » Dec 9, 2017 at 5:13 AM
    Well in that case, as mentioned - H(b) will have more reside than H(a), which has more than H (which has no residue).

    But price-wise, there isn't a huge difference from what I've seen, if any at all - it all depends on how the stone looks. A top of the line heated stone with minor residue can still definitely be more expensive than a comparable but less good heated one with no residue (or even an unheated one for that matter).

    EDIT: But flux-healing is something else, that's a clarity enhancement. And of course it does drop the price (and by very much).
     
  13. Goldenco
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    by Goldenco » Dec 9, 2017 at 5:15 AM
    What's the approximative price?

    Same question for flux healed rubies?
     
  14. Frost
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    by Frost » Dec 9, 2017 at 5:23 AM
    That I can't answer because I have zero experience working with flux-filled stones. The only such ones I've ever seen all looked very obviously filled and cost peanuts (could buy them by the kilo).

    The heat residue I was referring to/I meant earlier was basically just powder/dirt deposited on the stones and not polished off properly; not actual flux seeping into the stones and sealing the cracks in the surface.

    For that I've no idea, but I guess the price is significantly less than natural stones which have only been standard heated to a high temperature to make the color a bit better. How much so? Maybe someone else can answer more precisely.
     
  15. Goldenco
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    by Goldenco » Dec 9, 2017 at 5:38 AM
    Ok, thanks.
    Last question about resin oiled emeralds, good color and transparency.
    What's the average price?
     

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