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 Post subject: how much time to cut/facet a diamond rough to polished
PostPosted: Sun Jan 26, 2014 8:34 pm 
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Approx how many hours would it take a cut/facet a diamond from rough to polished?

1ct

round brilliant

quality of cut? = good, an example of a skilled craftsman.

an approx. range of hours if possible


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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Sun Jan 26, 2014 11:43 pm 
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That time would depend on the crystallographic orientation of the table, the type of diamond, if naats are present, the number, size, location and orientations, shape and location of naturals, size and location of inclusions, if any, and how close the finished weight would be to 1.00 ct.

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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Tue Jan 28, 2014 1:08 pm 
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thomas.adamas wrote:
That time would depend on the crystallographic orientation of the table, the type of diamond, if naats are present, the number, size, location and orientations, shape and location of naturals, size and location of inclusions, if any, and how close the finished weight would be to 1.00 ct.


do you think we are talking 10 hours, 20 , 30 or to tough to say.

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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 12:41 am 
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Ezra wrote:
thomas.adamas wrote:
That time would depend on the crystallographic orientation of the table, the type of diamond, if naats are present, the number, size, location and orientations, shape and location of naturals, size and location of inclusions, if any, and how close the finished weight would be to 1.00 ct.

do you think we are talking 10 hours, 20 , 30 or to tough to say.
Thank You

At least 30 hours.

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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 1:01 pm 
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Is that 30 hours possible on your average mast type machine we all cut colored stones with?


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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 1:55 pm 
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Nope that is not possible.

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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 2:09 pm 
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Conny Forsberg wrote:
Nope that is not possible.

Please expand your answer.


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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 2:30 pm 
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The general mast machine for cutting of colored stones does not have means of getting high speed. Higher speed give more heat but also polishes (cuts) faster. It is possible to cut diamonds on an ordinary faceting machine. It is however more tedious and more difficult as it is much more hazzle to find the right grain unless you get a holder for the dops that can be rotated around the axis perpendicular to the lap. I have cut diamonds on a Facetron many years ago but to be productive I had to get me proper equipment. If you want to cut diamonds on a faceting machine I recommend that you at least get a cast iron lap of good quality and properly balanced. I do not know of any source for one of them but maybe Gearloose can custom make one for you.

This is just my experience, I have no scientifics to back it up... :)

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 Post subject: Re: how much time to cut/facet a diamond rough to polished
PostPosted: Wed Jan 29, 2014 4:22 pm 
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We have had this discussion on the colored stone thread. Faceting machines were designed for colored stones. If you want to cut diamonds, acquire diamond cutting equipment. Those are two different technologies.

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