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ť girdles - can they really chip??

girdles - can they really chip??

P: 7/5/2007 10:19:49 AM
shminbabe Cut Rock Total Posts: 364 Last Post: 11/8/2007 Member Since: 6/19/2007	hi, so if a diamond has a girdle listed as 'extremely thin to medium', is there really a chance it could chip? jeannie Jeannie
Posted: 7/5/2007 10:19:49 AM

There are 5 replies to this message. There are 5 replies on this page.

P: 7/5/2007 10:25:29 AM
Chrono Ideal Rock Total Posts: 11,318 Last Post: 11/23/2009 Member Since: 4/22/2004	Yes, I believe Dave (Oldminer) has talked about it here on PS. If the extremely thin part can be put directly under a prong, then it is partially protected. If it is exposed, then yes, it can be chipped. Also, many old cut diamonds have VeryThin (which is less thin than EX thin) girdles and they chip easily with regular wear and tear. MsSalvo had a OEC (old european cut) diamond that was a VS1 downgraded to a SI1 due to numerous girdle chips (and she only had that stone in her possession briefly).
Posted: 7/5/2007 10:25:29 AM

P: 7/5/2007 11:52:02 AM
oldminer Ideal Rock Total Posts: 4,964 Last Post: 11/20/2009 Member Since: 9/4/2000	An extremely thin girdle is likely to chip if the stone is put in prongs and worn all the time. Its more a matter of when than if. David S. Atlas GG(GIA), ASG, Sr. Mbr. NAJA www.datlas.com
Posted: 7/5/2007 11:52:02 AM

P: 7/5/2007 11:54:38 AM
shminbabe Cut Rock Total Posts: 364 Last Post: 11/8/2007 Member Since: 6/19/2007	allrighty, then. mind made up. many thanks to both of you. this diamond-finding process is tortuous, i tell ya. jeannie Jeannie
Posted: 7/5/2007 11:54:38 AM

P: 7/5/2007 3:24:23 PM
kcoursolle Ideal Rock Total Posts: 10,344 Last Post: 10/14/2009 Member Since: 1/21/2006	Yup, it can happen! If you stay in the range of thin-med, med, thin to slightly thick, etc. that should be fine. Princess corners are the most at risk for chipping.
Posted: 7/5/2007 3:24:23 PM

P: 7/6/2007 7:54:08 AM
He Scores Cut Rock Total Posts: 230 Last Post: 12/10/2007 Member Since: 3/26/2005	What's equally important to the question of "can a diamond chip" is the relationship between the top and bottom angle. A shallow angled crown with a shallow angled bottom makes for a much more acute angle at the girdle making it more prone to chipping than an opposite cut (read deep/deep). Bill Bray Diamond Cutter www.BrayScore.com
Posted: 7/6/2007 7:54:08 AM

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