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»  » Diamond Prices and Grading »
 » RockyTalky
»  » Which is a better radiant cut?
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Which is a better radiant cut? |
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| P: 5/17/2003 8:35:32 PM | |
tokuyo Rough Rock Total Posts: 17 Last Post: 6/13/2003 Member Since: 5/17/2003 |
I have been looking around for a 1ct radiant diamond. I found three that look ok, but I'm not sure. Can someone do a diamcalc on these so I know which one is the better cut and loses less light. #1. 7.33x5.40x3.35 1.12 ct F, VS2 Depth:62%, Table:67.2%, Girdle:exth-thick, Culet:n, Flor:M Blue, Polish:gd, Sym: gd, Crown A:35.8%, Crown H:10.5, Pav A:53.7, Pav D:47.4 Note: Did not look milky in the sun Had alot of brill #2. 7.54x5.30x3.51 1.14 ct D, SI1 Depth:66.2, Table:64.3, Girdle:th-slthick, Culet:n, Flor:none, Polish:vg, Sym:gd, Crown A:35.6%, Crown H:12.9, Pav A:53, Pav D:50.6% Note: Had a lot of brill #3. 6.37x5.23x3.39 .94 ct G, VS2 Depth:64.8%, Table:64, Girdle:th-med, Culet:n, Flor:none, Polish:gd, Sym:gd, Crown A:33.5%, Crown H:11.8, Pav A:44.6, Pav D:51.9 Note: Less brill/noticed more despersion of colors ....Also, I noticed bow tie effect on this one and not the other ones, why? Thanks, I can get as much help as possible!! 
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| Posted: 5/17/2003 8:35:32 PM | |
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There are 4 replies to this message. There are 4 replies on this page. |
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| P: 5/17/2003 9:10:30 PM | |
Charmed Cut Rock Total Posts: 112 Last Post: 7/10/2006 Member Since: 1/9/2003 |
I am not an expert, but I would not go with #1 due to the girdle exthin to thick. Firstly, learning through this site buyers should stay away from extrememly thin especially with pointed cuts like princess and radiant due to possibility of chipping when setting. Also exthin to thick is a big jump in girdle. Other than that advice, we will wait for the experts to comment. PS I love radiants and princesses, good choice!!!!!!!!!!!!
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| Posted: 5/17/2003 9:10:30 PM | |
| P: 5/18/2003 5:46:32 PM | |
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Charmed Cut Rock Total Posts: 112 Last Post: 7/10/2006 Member Since: 1/9/2003 |
Bump
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| Posted: 5/18/2003 5:46:32 PM | |
| P: 5/19/2003 7:21:50 AM | |
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barry Cut Rock Total Posts: 440 Last Post: 12/1/2003 Member Since: 3/22/2001 |
From your physical examination, it appears you like #1 and #2 for high brilliance. Based on my research, the pavillion angles and depths for these two stones suggest that they may be taking a hit on dispersion and scintillation even though crown heights are very good. It is difficult to give a full accurate assessment without a light-output and light leakage analysis. Good brilliance with shortcomings in dispersion and scintillation will result in less than optimal performance in direct and low-light conditions. As far as #3 is concerned, contrary to accepted trade dogma and concomitant dissemination to the public, a bow-tie is not necessarily a bad thing as it affects dispersion. In the best case scenario, you are looking for a diamond that has a harmonious blend of brilliance, dispersion, and scintillation; very difficult to achieve especially in Fancy shapes. Of the three, I'd rather take the hit on brilliance and max on dispersion and scintillation. Barry www.superbcert.com
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| Posted: 5/19/2003 7:21:50 AM | |
| P: 5/22/2003 7:14:37 PM | |
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tokuyo Rough Rock Total Posts: 17 Last Post: 6/13/2003 Member Since: 5/17/2003 |
Thanks for your reply Barry. Do you or anyone else think that the third cut is better than the others? I don't mind that #3 has less brilliance, but I want to make sure its a good cut. Looking forward to replys! 
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| Posted: 5/22/2003 7:14:37 PM | |
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