'IGI Certifies 10-Carat Diamond Grown With New Technology'

Discussion in 'Lab Grown Diamonds (real diamonds)' started by kaylagee, May 27, 2015.

  1. kaylagee

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  2. kaylagee

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    #2 kaylagee, May 27, 2015
    Last edited by a moderator: Feb 2, 2016
  3. mmascall

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    Re: "IGI Certifies 10-Carat Diamond Grown With New Technology"

    Wow! It looks purdy [​IMG] and it's quite a technological advancement.
     
    #3 mmascall, May 27, 2015
    Last edited by a moderator: Jan 29, 2016
  4. kaylagee

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    Re: "IGI Certifies 10-Carat Diamond Grown With New Technology"

    I'm amazed! I'd read somewhere that the rough only grew so large.
     

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    #4 kaylagee, May 27, 2015
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  5. kaylagee

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    [​IMG]
     

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  6. MissCassie

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    Daaaaaaaang. That is freakin' awesome! I wonder who their distributors are?

    Edit: Oh, it looks like BTD might get their lab diamonds from this place! They have the video of the 1.07, D, VVS2 diamond Less posted on their Facebook page! How neat!
     
  7. kaylagee

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    oh wow!! That is awesome!

    I'm reposting my link. Seems like each time I attempt to edit my post or cut/paste quote anything...everything vanishes.

    http://www.diamondworld.net/Content/IGI-...s-diamond/11515
     
    #7 kaylagee, May 27, 2015
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  8. Future_Mrs

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    This is amazing, I can't wait for BTD and other companies to push the envelope on lab grown diamonds. I would love to get my hands on one [​IMG] so happy that they're hitting the larger sizes. What a huge accomplishment.
     
    #8 Future_Mrs, May 27, 2015
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  9. wiigal

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    That is great news. I thought they could only grow a bit over a carat. I wonder what the pricing would be like when larger sizes hit the market. Also when it might be made available to the public. Excited..
     
  10. ChristineRose

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    HPHT diamonds are grown in a chamber. The rough comes out the size and shape of the chamber. The chamber is under high pressure (of course) and is made up of a set of plates. The plates are pressed together to form the chamber.

    I'm not 100% sure but I believe the plates always form an octagon, which is one of the natural diamond growth shapes.

    The need for extreme pressure limits the sizes of the chambers. The size of the chamber, and time, are the limiting factors on the size of an HPHT diamond.

    It looks like these guys have had a successful experiment with a very large growing chamber. [​IMG]
     
    #10 ChristineRose, May 28, 2015
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  11. wiigal

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    #11 wiigal, May 29, 2015
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  12. Tanukiko

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    IGI is the certifying agency. I thought BTD made its own lab grown rough rather than buying it from a 3rd party.
     
  13. ChristineRose

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    <span style="font-weight: bold">6) Who grows your lab diamonds?
    </span>
    We source our lab-diamonds from multiple laboratories around the world. Currently, our pink and blues are from Chatham, and our yellow diamonds are grown by a private lab in Asia. We are currently engaged in discussions with another lab for pink diamond supplies as well.

    Our goal is offering only the top lab grown diamonds available under our Takara brand. We purchase both rough and finished diamonds from our suppliers, and then have them graded and inspected before offering them for sale. We reject a significant proportion of the diamonds offered, and we believe that is a testament to the quality bar we set for our Takara brand.

    Source: http://www.takaradiamonds.com/faq/page1.php
     
  14. Tanukiko

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    Thank you for that Christine! I don't know where I got the impression that BTD was growing them.
     
  15. ChristineRose

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    I think this might be out of date as it doesn't address white diamonds.

    A lot of factories across the world have the technology to grow diamonds but most of them only grow industrial diamonds. A lot of these labs grew a few gem diamonds just for the heck of it. Takara is now offering large (relatively) very white (DEF) diamonds, as is Gemesis. I am not sure who is growing the Takaras (assuming it's not Gemesis) but obviously there's been some sort of major jump in technology very recently.
     
  16. mmascall

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    Somehow I was under the same impression.
     
    #16 mmascall, Jun 25, 2015
    Last edited by a moderator: Feb 1, 2016
  17. wiigal

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  18. ChristineRose

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    They are talking about CVD diamonds.

    http://www.gia.edu/news-research-CVD-grown-part1

    From the GIA article:

    Because of this most of the diamonds intended for jewelry are HPHT. CVD diamonds tend to be small. I know the industry talks a lot about a flood of little CVD diamonds ruining the melee market, but melee is pretty cheap already, at least at the low end.
     
    #18 ChristineRose, Oct 20, 2015
    Last edited by a moderator: Feb 1, 2016
  19. Jay Vee

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    Woah! Looks amazing.. wonder how much something like that would go for.
     

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