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Ideal scope images help

Discussion in 'Laboratory-Grown Diamonds /Man-Made Diamonds (MMD)' started by Eellee44, Aug 27, 2019.

  1. Eellee44
    Rough_Rock

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    by Eellee44 » Aug 27, 2019
    CFD01060-EB07-473F-91A5-6605506FB242.png 9576BE9D-C962-402F-8C28-1099E5E99119.png 4D617002-9646-43B2-B22E-9EB1F608768E.png 5C440FE0-4255-44EB-87E8-6AC45D74FF35.jpeg D1A21F52-FD8A-484A-A304-749E2492F8C0.jpeg Hello! Newbie here :)

    Looking at buying a diamond online and I don’t really know if what I am looking at is good or not. I am happy with the specs and it’s given me a HCA score of 0.8.
    Can you help? Do these images look good or not?

    Thank you!!
     
    


    


  2. lovedogs
    Ideal_Rock

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    by lovedogs » Aug 27, 2019
    I think it's the arrows that look really weird to me. THere's something going on, but I don't exactly know what it is. I definitely don't like it, and I don't *think* it's just a bad image, but I've been wrong before. @Karl_K and @flyingpig , care to help me understand why this looks so odd to me?
     
  3. Karl_K
    Ideal_Rock
    Trade

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    by Karl_K » Aug 27, 2019
    40.1 degreeu pavilion angle is not good for a ring and makes for weird images.
    They are computer generated based on scan data except the last and even dc has issues with these angles.Run away for a ring.
     
    flyingpig and lovedogs like this.
  4. Eellee44
    Rough_Rock

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    by Eellee44 » Aug 27, 2019
    What would be a good degree pavilion angle so I know what to look out for? Any other red flags I should keep in mind?
     
    


    


  5. lovedogs
    Ideal_Rock

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    by lovedogs » Aug 27, 2019
    Stick to these proportions (and stones that score under 2 on the HCA)
    Table: 54-57
    Depth: 60-62.4
    Crown: 34-35
    Pavillion: 40.6-40.8
     
  6. flyingpig
    Brilliant_Rock

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    by flyingpig » Aug 28, 2019
    It is a classic example of shallow stone.

    This is what Garry (the inventor of HCA) has to say about it.
     
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  7. Eellee44
    Rough_Rock

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    by Eellee44 » Aug 29, 2019
    8A29BC8F-CE87-4A4E-B50A-1800D76ADEEF.jpeg 6BEE476F-245B-42DB-BA07-59B77EAA4B88.jpeg
    Can I ask another question? Might sound silly but I’m confused about the HCA tool. I noticed that diamonds certified by GCAL were more expensive so I thought perhaps it’s because they were better quality in terms of their standards. The certificate looks like it includes idealscope type images as well so I popped this one into the HCA tool and got a score of 1.3. Is that still too low? Because I then referred back to your helpful guideline and this one seems to be rather off.
     
  8. lovedogs
    Ideal_Rock

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    by lovedogs » Aug 29, 2019
    Anything scoring under 2 should be considered. The one you posted here is a 60/60 style stone (if you search the forum there are tons of discussions about them). The general idea is that they will give lots of white sparkle vs colored fire that a traditional Ideal cut would have. That said, this 60/60 looks excellent in terms of performance (as per the gcal report images).
     
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