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Need advise on this diamond

Discussion in 'RockyTalky' started by iumbastu, Sep 9, 2003.

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  1. iumbastu
    Rough_Rock

    Messages:
    4
    Joined:
    Sep 9, 2003
    by iumbastu » Sep 9, 2003
    Hello everyone,

    I would definitely appreciate any advice you can offer in advance regarding the following diamond description: Thank you for your help. Kevin

    Shape = Round Brilliant
    Measurement 7.82 X 7.7 x 4.81 mm
    Weight = 1.73
    Depth = 62.8%
    Table = 578%
    Girdle = Thin to Med Faceted
    Culet = None
    Polish = Very Good
    Symmetry = Very Good
    Clarity = SI2
    Color Grade = G
    Flourescence = Strong Blue
    Crown Angle = 34.9 degrees
    Pavillion Angle = 41.4
    Crown Height = 15.3%
    Pavillion Depth = 43.8 %
    Price = $8K
    I'm told this is a AGS 0...

    Should I be concerned about the strong blue flourescence? [​IMG]
     
  2. Garry H (Cut Nut)
    Super_Ideal_Rock
    Trade

    Messages:
    13,944
    Joined:
    Aug 15, 2000
    by Garry H (Cut Nut) » Sep 9, 2003
    Enter the data in to the 'cut adviser" link on top of the page [​IMG]

    Just an OK cut.
    It is not an AGS 0
     
  3. Colored Gemstone Nut
    Ideal_Rock
    Trade

    Messages:
    2,318
    Joined:
    Nov 21, 2002
    by Colored Gemstone Nut » Sep 9, 2003

    Hi Kevin,

    If the numbers you posted are correct the table on this stone puts this diamond into the AGS "1" cut grade category.

    The crown and pavillion angle on this stone are a little steep and with both crown and pavillion angles being steep it is not an ideal combo which will give the best light return results based on the angle relationship of the light being reflected off the pavillion mains through the top of the stone.

    With this angle relationship it allows more light to exit the stone before being shot through the crown where you will observe the light return or "sparkle" affect.

    When it comes to flourescence, make sure it doesn't affect the transparency of the stone or the stone does not look milky or faded.

    Some Si-2's are better than others....

    If your serious about this particular stone have it looked at by an independent appraiser.

    -Josh Rioux
    Sitka, Alaska [​IMG]
     
  4. iumbastu
    Rough_Rock

    Messages:
    4
    Joined:
    Sep 9, 2003
    by iumbastu » Sep 11, 2003
    Excellent advice!
    In lieu of this I purchased a different 1.73 Color G, SI2 diamond that rated as follows.

    Factor Grade
    Light Return Excellent
    Fire Very Good
    Scintillation Very Good
    Spread or diameter for weight Excellent
    Total Visual Performance:
    1.5 - Excellent - within TIC range

    I got an awesome buy and your advice has mitigated many of my fears of purchasing a diamond, sight unseen, over the internet.

    I will definitely recommend this site to many of my friends. Thanks again for your invaluable information.
    Kevin
     
  5. fire&ice
    Ideal_Rock

    Messages:
    7,828
    Joined:
    Jul 22, 2002
    by fire&ice » Sep 11, 2003
     
  6. iumbastu
    Rough_Rock

    Messages:
    4
    Joined:
    Sep 9, 2003
    by iumbastu » Sep 11, 2003
    give me two weeks to get the ring in a custom mounting and the pictures will be on the way! ;)

    Thanks again everyone!
    Kevin
     
  7. Mara
    Super_Ideal_Rock

    Messages:
    31,003
    Joined:
    Oct 30, 2002
    by Mara » Sep 11, 2003
    Coming in kind of late on this thread but congrats Kevin on passing up a not-so-great stone for what seems like an excellent cut stone!!

    This forum in my eyes is about this type of thing...helping people by educating them so that they don't make the wrong choices...and lose alot of $$ or get taken for a ride with a too expensive stone. There are great deals out there, great stones..and its people on this forum like the ones who responded who can make the difference between a foolish purchase and one that is very smart! [​IMG]
     
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