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ť Probably a really dumb question

Probably a really dumb question

P: 10/19/2007 11:23:33 PM
caligirl Rough Rock Total Posts: 1 Last Post: 10/19/2007 Member Since: 10/19/2007	Hi, I don't know much about diamonds so I hope that someone can answer this for me. If you have a rough diamond stone of a certain size, let's say 5 Cs, is that a way to tell how many Cs the cut diamond will be?
Posted: 10/19/2007 11:23:33 PM

There are 4 replies to this message. There are 4 replies on this page.

P: 10/19/2007 11:42:13 PM
Kaleigh Ideal Rock Total Posts: 25,899 Last Post: 11/22/2009 Member Since: 11/18/2004	There is no such thing as a dumb question!! I am not an expert, but do know the question you asked is a broad one. It depends on many factors. What sort of rough you have, what the nature of the inclusions are, is it going to be one that you can maximize the size, etc... So many variables, of course you want the best cut of the rough, shape is another, some are more wasteful , so will pass this on to the experts... ____________________________ Piece of cake and a candle. ng gift
Posted: 10/19/2007 11:42:13 PM

P: 10/19/2007 11:58:26 PM
WorkingHardforSmallRewards Ideal Rock Total Posts: 1,234 Last Post: 12/14/2008 Member Since: 6/6/2007	I am curious why you are asking? any particular reason or just interested? ____________________________ "Signature-Ideal Meat I'm Lovin it McDonald's."
Posted: 10/19/2007 11:58:26 PM

P: 10/20/2007 12:26:29 AM
stebbo Cut Rock Total Posts: 466 Last Post: 1/27/2008 Member Since: 6/8/2006	Yep, lots of variables, and a single piece of rough will give birth to many diamonds. Here's a simple little pic from Octonus' site, who produce scanners and software for planning the most profitable way to chop up the rough: You can see for instance how they've chosen to cut a smaller diamond (in red) avoid the flaw (in white), and also to keep the blue diamond well proportioned for light performance and grading rather than making it deeper.
Posted: 10/20/2007 12:26:29 AM

P: 10/20/2007 4:12:56 AM
Nathan Barsky Rough Rock Total Posts: 15 Last Post: 10/20/2007 Member Since: 4/28/2004	An octahedral crystal as picture above also dictates where the diamond has to be split apart or cleaved. Diamond being an isymetric crytal has to be properly mapped out before being cleaved to avoid the different growth patterns. The cutter wants to save the most weight as he can from the rough. Diamond cutting is more boring than traffic court. Nathan Barsky
Posted: 10/20/2007 4:12:56 AM

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