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Are 36/40.8 angles bad?

Discussion in 'RockyTalky' started by Tinky, Aug 1, 2012.

  1. Tinky
    Rough_Rock

    Messages:
    13
    Joined:
    Jul 19, 2012
    by Tinky » Aug 1, 2012
    Hello, are 36/40.8 angles bad? What affect will the steep crown coupled with the 40.8 pav angle have on this stone if any?

    Thank you!
     
  2. Garry H (Cut Nut)
    Super_Ideal_Rock
    Trade

    Messages:
    13,944
    Joined:
    Aug 15, 2000
    by Garry H (Cut Nut) » Aug 1, 2012
    its not optimum and the stone will probably be small for its ct weight, especially if the table is smallish.
     
  3. Tinky
    Rough_Rock

    Messages:
    13
    Joined:
    Jul 19, 2012
    by Tinky » Aug 1, 2012
    Here are the rest of the specs on this rb stone - are the dimensions ok for its carat weight or do you think it will it appear small? Thank you. I posted the specs in another thread and someone mentioned the 36 deg crown was not good. I assumed it would affect the sparkle somehow?

    2.6 ct
    8.8 x 8.76 x 5.45
    Total depth.........62.0%
    Table size...........57%
    Crown angle........36.0 deg.
    Crown height.......15.5%
    Pavilion angle......40.8 deg.
    Pavilion depth .....43.0%
    Star length..........50%
    Lower half...........80%
    Girdle................Med. to slightly thick, faceted (3.5%)
    Culet.................None
    Polish................Excellent
    Symmetry...........Excellent
    Fluorescence.......None
     

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