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Size question

autumngems

Ideal_Rock
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Jul 24, 2003
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Would I really see a difference between 7.9mm and 8.1mm?
 
Yes I would absolutely. I was comparing a 10.3 mm round vs a 10.5 mm round IRL and it was a noticeable size difference.



There’s a diagram and I don’t know how to find it to link it here for you but hopefully someone else will that can show you the difference on your finger size. I have a size 6 ring finger and .2mm is obvious to me.
 
size diff.PNG

Maybe this will help?
 
I was going to recommend the tool that @tyty333 posted above. That's a great thing to refer to and I use it often! I think I would be able to notice that small of a size difference, but . . . the question is, is it worth whatever the price difference would be to go up in size by .2mm? Would you notice the size difference enough to justify spending the extra $$$?
 
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Here’s a quick pic. Not the best but I’m on the go right now and can’t search all my pics. But here’s a 10.5vs 10.3. The setting also adds bulk to the 10.3 so I think you can see the difference and imagine with a similar setting how much more the difference would be.

Bottom ring is 10.5mm
225456D4-81CE-49A7-A088-770DFFF08854.jpeg
 
Notice it is not 2mm but only 2 tenths of one millimetre difference. 0.2mm.
I think DS is right, you may notice but others wouldn't. It wouldn't be worth it in my opinion. Unless you want to say 2 carats instead of 1.9x or unless it is the same price range or you go down a color or something.
 
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Notice it is not 2mm but only 2 tenths of a millimetre difference.
I think DS is right, you may notice but others wouldn't. It wouldn't be worth it in my opinion. Unless you want to say 2 carats instead of 1.9x or unless it is the same price range or you go down a color or something.

Ugh! I tried to type .2mm in my reply above but I missed the period button, apparently. :wall:
 
Probably not. Take a ruler and draw 2 lines of those lengths and see if you can see a big difference. Highly doubtful.

Would I really see a difference between 7.9mm and 8.1mm?
 
I would but I have an eagle eye for such details.:devil:
 
Here’s a quick pic. Not the best but I’m on the go right now and can’t search all my pics. But here’s a 10.5vs 10.3. The setting also adds bulk to the 10.3 so I think you can see the difference and imagine with a similar setting how much more the difference would be.

Bottom ring is 10.5mm
225456D4-81CE-49A7-A088-770DFFF08854.jpeg

It's a nice difference, I can definitely see it.
 
Would need a special pen as with a normal biro the width of one line would be about .2mm. I think architects pens can draw in fractions of a mm.
 
Yes in other words if a diamond of 7.9mm was increased by 2mm it would then be 9.9mm (not 8.1mm). Seen this kind of discussion before so just to be aware of it.
 
where can I find that tool Tyty333
 
I would say yes, I would, but other people would not notice, which I consider a bonus.


I would but I have an eagle eye for such details.:devil:


I don't even have an eagle eye and it is super obvious to me in real life. I have compared hundreds of similar size diamonds IRL that have .2mm difference and this is the point where IMO it becomes much more obvious. But of course as with everything YMMV.

Of course it depends on the total diameter of the stone in question right? I mean with a smaller stone a 0.2mm difference will be even more obvious than with a larger diameter stone. But in my above example @autumngems I am comparing a 10.5mm stone (Bea) with a 10.3 mm stone and it is a clear size difference to me.
 
I can see the difference at + .20mm or >. Maybe not at + .10mm difference.
 
The setting would also make it more or less obvious. A solitaire more, a halo less.
 
Side by side definitely, most likely even apart you will notice that the new stone is bigger, others may not. It is a small difference and only you can decide if it is different enough for your goals and if that is enough to justify spending the extra money.

IMHO, I would not, unless you are hitting other goals on your checklist (i.e. better color and/or clarity). For me the added expense in purchasing a new stone and a new setting, wouldn't be worth the .2mm increase - but it's not my ring so....just my 2cents
 
Notice it is not 2mm but only 2 tenths of one millimetre difference. 0.2mm.
I think DS is right, you may notice but others wouldn't. It wouldn't be worth it in my opinion. Unless you want to say 2 carats instead of 1.9x or unless it is the same price range or you go down a color or something.

Pyrrie mentions another important POV, it might be important to some to feel they've made the jump to 2 carats instead of 1.9 which is under, which of course the industry and cutters have known for eons, hence the battle to get stones just over a certain full carat finished weight.
 
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There is a visible difference, when both size stones are side by side. Otherwise, it’s very difficult for anyone to tell by looking at your finger, irl, if the stone is 1.9ct or 2.0+ct.. Agreed, 0.2mm is around the point where the difference becomes more obvious, but that’s only when comparing stones next to each other. This is also where the idea of “to halo or not to halo” comes into play, for some, who are trying to stay within budget for the diamond, but want to create the illusion of greater size & presence.
In this circumstance, the 0.2mm difference would tempt me, but the price tag would have to be suitable in order to justify the minimal jump. Anything above 0.2mm would be more worth the increase in price, for me.
 
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