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Diamond evaluation

Discussion in 'RockyTalky' started by labiking, Dec 7, 2009.

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  1. labiking
    Rough_Rock

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    by labiking » Dec 7, 2009
    Brand new to the whole "diamond" thing and have a simple question:

    1) Is this a good quality EGL rated diamond?
    2) Estimated price is 26,390. What would you pay if it was worth purchasing?

    Weight 2.03 CT
    Shape ROUND BRILLIANT
    Color F
    Clarity SI2
    Measurements 8.17 x 8.1 x 4.95 mm
    Depth 60.8%
    Table 62%
    Crown 13.4%
    Pavilion 44.2%
    Crown Angle 35.8°
    Pavilion Angle 41.7°
    Girdle THIN TO SL. THICK FACETED
    Polish VERY GOOD
    Symmetry VERY GOOD
    Fluorescence FAINT
    Culet NONE
    Cut Grade VERY GOOD
     
    


    


  2. jet2ks
    Ideal_Rock

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    by jet2ks » Dec 7, 2009
     
  3. Todd Gray
    Brilliant_Rock
    Trade

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    by Todd Gray » Dec 7, 2009
    There is a good tool available here on PS for assisting consumers with determining which diamonds are likely good candidates in terms of performance and which should be avoided, it is the Holloway Cut Adviser which is available via the Tools / Cut Adviser link available at the top of this page... Punch the total depth; table diameter; crown and pavilion angle measurements into the HCA and you''ll see why Jet2ks is indicating that he wouldn''t consider this diamond...
     
  4. Stone-cold11
    Super_Ideal_Rock

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  5. labiking
    Rough_Rock

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    by labiking » Dec 7, 2009
    HCA results are disappointing

    Light Return Good
    Fire Poor
    Scintillation Fair
    Spread or diameter for weight Very Good

    Thanks for the info.

    What can I expect to pay for a 2ct diamond of "acceptable" quality?
     
  6. JulieN
    Super_Ideal_Rock

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  7. Rockdiamond
    Ideal_Rock
    Trade

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    by Rockdiamond » Dec 7, 2009
    Most important to you as a buyer labiking: High grade stones without GIA, or AGSL lab reports are to be avoided.

    Even if it was very well cut ( which I agree, it''s not), it makes the most sense for consumers to stick with GIA or AGSL as the industry does not respect the report accompanying the stone you have considered.

    My own personal feeling is that the dealer you are buying from should let you know about this,......
     
  8. Regular Guy
    Ideal_Rock

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    by Regular Guy » Dec 7, 2009
    Julie''s pointed to a nice example of what you sort of would want to pay for an equivalent diamond, if it was "what it says it was." This is a second choice. It''s one better grade clarity, one lower grade color...so near equal.

    But certification makes a substantial difference. In addition to the proportions on your option being a problem, EGL options should be substantially discounted from diamonds like these two, from what they would be if they were provided with certification from either AGS or GIA.

    If looking at a reasonably equivalent diamond with certification from EGL, looking at many dozens on this board, the price is quite variable, at a high of $21,298...but also, going as low as $6285.

    An important reason for this difference is that as a pattern of practice, the expectation is that color and clarity are not apple to apple comparisons from EGL to either GIA or AGS...they''re as many as 4 grades off, or more. When EGL diamonds are priced fairly, you tend to see them costing similarly to what AGS and GIA would price their diamonds...but also, based on those colors and clarities being taken into account as the lower qualities they are imagined to be.

    Here''s one more to consider, but Julie''s is probably the one to beat. There''s more on this board, but these 3 are a good place to start.
     
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