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 » RockyTalky
»  » Natural at Culet
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Natural at Culet |
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| P: 5/7/2003 5:54:47 AM | |
Pyramid Ideal Rock Total Posts: 2,914 Last Post: 11/11/2009 Member Since: 11/10/2002 |
How would one know if they have a 'natural' at the culet. I know high magnification is required but would you see it from the table side or the pavillion side. Does a natural show up as grey or white from the table view?
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| Posted: 5/7/2003 5:54:47 AM | |
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There are 5 replies to this message. There are 5 replies on this page. |
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| P: 5/7/2003 6:52:07 AM | |
barry Cut Rock Total Posts: 440 Last Post: 12/1/2003 Member Since: 3/22/2001 |
Problems in the culet can be easily seen with 10X magnification either through the Table or from the Pavillion side. Abrasions, chips, nicks, and in the rare case failure by the cutter to bring the culet to a point and leaving one or more pavillions unpolished ( hence "natural diamond rough") can be detected. Chips and nicks may be the result of improper handling, i.e.; tweezers without plastic protective coating at the tips or if there are inclusions in the area, may indicate an area of graining or knot lines that are more prone to breakage. Sensitive culets are more prevalent in fancy shapes and great care must be exercised when handling Princess, marquise, and pear shapes. Barry www.superbcert.com
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| Posted: 5/7/2003 6:52:07 AM | |
| P: 5/7/2003 7:28:23 AM | |
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Pyramid Ideal Rock Total Posts: 2,914 Last Post: 11/11/2009 Member Since: 11/10/2002 |
Thank you Barry. The photomaster in Gary Roskin's book for no culet, pointed or nil shows a diamond with a white dot where the culet should be. On another page he states a white dot as an abraded culet. Does this mean that the pointed culet also shows as a white dot. How then does one distinguish between them.
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| Posted: 5/7/2003 7:28:23 AM | |
| P: 5/7/2003 8:26:30 AM | |
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barry Cut Rock Total Posts: 440 Last Post: 12/1/2003 Member Since: 3/22/2001 |
A pointed intact culet should blend in seamlessly in appearence with its pavillions. Coloration other than the pavillions and/or dots, lines, or nesting configurations in the area should prompt you to ask the vendor to eyeball the diamond for you and if possible provide you with dark-field illumination and color photographs of the affected area. Barry www.superbcert.com
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| Posted: 5/7/2003 8:26:30 AM | |
| P: 5/7/2003 8:32:29 AM | |
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Pyramid Ideal Rock Total Posts: 2,914 Last Post: 11/11/2009 Member Since: 11/10/2002 |
Thank you very much for answering my question Barry. I will check this out further with the jeweller.
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| Posted: 5/7/2003 8:32:29 AM | |
| P: 5/7/2003 8:37:58 AM | |
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barry Cut Rock Total Posts: 440 Last Post: 12/1/2003 Member Since: 3/22/2001 |
You're welcome. Let us know what you find. Barry www.superbcert.com
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| Posted: 5/7/2003 8:37:58 AM | |
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