[Jewelry making - Article 00153] - Re: [Orchid] Oval tube setting

[M'lou Brubaker]

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    I just did this, in a bead-set diamond ring, where the supposedly
    round diamond was not really round. It is a touchy procedure, so just
    go very slowly and test many times as you enlarge the hole. Hold the
    stone with a sticky tool made of wax or putty stuck to the table as
    you test the fit. The bur used is a regular diamond setting bur, the
    kind with a pointed tip and straight sides. You have to rotate it
    around the inside of the hole, but not let it make the hole deeper. I
    know...easier said than done! Did anyone ever say that diamond
    setting is easy? Just go along slowly and test, test, test. 

    I think that a cylinder bur would be okay, too. It might be nice to
    have a bur that did not have a cutting surface on the bottom. (A bur
    could be customized for this.) Then you could go back in with a
    setting bur at the very end to angle the seat to fit the shape of the
    stone. 

    Another start, if your tube walls are not too thick,  might be to
    stretch the hole by hammering a tapered tool into it, and then
    perfecting it with burs. You could make a tapered oval punch for
    this, sure to come in handy again some time. 

    Most of us who have been working for a few decades have made a lot
    of little tools for ourselves, I'll bet. I sometimes run across one
    in my stuff, and wonder what the heck I made it for! Invent, invent.
    It's part of the fun. 

M'lou Brubaker, Jeweler
Goodland, MN
www.craftswomen.com

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