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»  » Diamond Prices and Grading »
 » RockyTalky
»  » Whats The DIfference
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Whats The DIfference |
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| P: 9/7/2004 3:08:42 PM | |
kcola Rough Rock Total Posts: 25 Last Post: 9/20/2004 Member Since: 9/7/2004 |
Is there much visual difference between a .64 ct. and an .71 ct. on a round diamond?
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| Posted: 9/7/2004 3:08:42 PM | |
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There are 4 replies to this message. There are 4 replies on this page. |
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| P: 9/7/2004 3:16:46 PM | |
lsmathis1 Cut Rock Total Posts: 170 Last Post: 3/9/2005 Member Since: 7/20/2004 |
Hey It depends on the way it is cut. If you have two "ideal" cut diamonds, most likely you will not be able to see a difference - although I'm sure someone here could tell the difference when place side by side.  If the larger had a poor cut - and saved ct. weight, but the smaller had an ideal cut, they might look the same and even have the same mm measurement. EDIT: And on the other hand, if the smaller was a poor cut - took advantage of weight and the larger were ideal or even out of ideal but was top heavy...they may look dramatically different. Hope this helps  *ideal can have different proportions, but let say for our purposes they should generally fall into AGA 1A & 1B cut ranges and AGS 0 etc.
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| Posted: 9/7/2004 3:16:46 PM | |
| P: 9/7/2004 3:18:58 PM | |
nicknomo Cut Rock Total Posts: 197 Last Post: 12/12/2005 Member Since: 6/26/2004 |
If the same proportions my answer is probably. It's a 12% increase or so, so you do notice a size difference. Of course this is subjective, what may be a miniscule difference to one person, may be noticeable to another.
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| Posted: 9/7/2004 3:18:58 PM | |
| P: 9/7/2004 3:19:14 PM | |
oldminer Ideal Rock Total Posts: 4,964 Last Post: 11/20/2009 Member Since: 9/4/2000 |
No, very little. If they are both identically cut for the same proportions the difference in diameter would be just barely discernible. There are nicely cut .64ct stones that look quite a bit larger than some overly deep .71ct stones. The relative diameter is a poor tool to use for judgment of carat weight. We see many 1 carat round diamonds small enough in diameter to be well cut 3/4 ct rounds. People just don't know better and fall for the weight instead of the looks of a well cut stone. David S. Atlas |
| Posted: 9/7/2004 3:19:14 PM | |
| P: 9/7/2004 3:25:55 PM | |
flowergurl Rough Rock Total Posts: 14 Last Post: 1/6/2005 Member Since: 8/21/2004 |
A well-cut 3/4 carat is about 5.9 mm, right?
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| Posted: 9/7/2004 3:25:55 PM | |
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