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Author Topic: Lightly Tinted Colored Diamonds  (Read 920 times)
dovesgate
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« on: December 29, 2011, 10:39:30 PM »
After admiring my pretty new ring and enjoying her visible tint in some lighting, I started wondering about other colors. I understand the D-Z range and how D is colorless and Z is right before the fancy grades but what about other colors?

Meaning, what would the equivalent of my N be if it had brown or orange or pink tendencies instead of yellow? Would that faint a color be a fancy light or would it still be on the D-Z range?
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oldmancoyote
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« Reply #1 on: December 29, 2011, 11:23:02 PM »
Brown, yellow (and grey) tints are graded using the D-Z scale and a note indicating if the colour is brown or grey; if no note is present, the tint is yellow.

Any other colour uses the following:

Faint: saturation level up to and including M
Very light: N-R
Light: S-Z

and then the "Fancy" scale.

Meaning - a brown "N" would be called N, Very Light Brown. A pink "N" would simply be called Very Light Pink.
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Diamondsbylauren
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« Reply #2 on: December 29, 2011, 11:52:03 PM »
Interesting point OMC- N color, in pink....
I think it would be more pink than merely "very light" is it was as deep an N color.

You could be right- but I think that an N cut for color retention shows a lot of yellow, if that's the comparison.
Might even be as saturated as fancy light pink.
The color itself is...softer than yellow. Which, in turn, affects how the GIA grades work.
Does that make sense?
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David
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dovesgate
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« Reply #3 on: December 30, 2011, 12:29:29 AM »
I wonder what a very, very faint pink would look like. White with pink around the edges so to speak.



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oldmancoyote
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« Reply #4 on: December 30, 2011, 06:21:51 AM »
Quote from: Diamondsbylauren on December 29, 2011, 11:52:03 PM
Interesting point OMC- N color, in pink....
I think it would be more pink than merely "very light" is it was as deep an N color.

You could be right- but I think that an N cut for color retention shows a lot of yellow, if that's the comparison.
Might even be as saturated as fancy light pink.
The color itself is...softer than yellow. Which, in turn, affects how the GIA grades work.
Does that make sense?

That's the GIA scale - visible on any report... dontknow

I am not suggesting that they measure pinks (or a.n.other colour) using yellow masters; if this is what was coming across, then I apologise for the misleading post. However, I do believe that the levels of saturation and tone are comparable with the D-Z scale (or at least GIA implies they are). The problem is that the saturation as perceived by the eye and as measured by some other device (e.g. colorimeter) is different, for the human eye depending strongly on the colour, and while a colorimeter (or computer monitor) has an essentially linear response, the human eye is anything but linear. What I am trying to say is that something which is "measured" as 60% saturated yellow and 60% saturated pink may look rather different to the human eye, even though "objectively" they are the same saturation.
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Trinkette
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« Reply #5 on: December 30, 2011, 08:28:35 AM »
Add to that the range of tint within each color grade...
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oldmancoyote
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« Reply #6 on: December 30, 2011, 11:12:49 AM »
...and the suspicion that GIA grades both jointly (in fact, rather more than suspicion: look at the relationship between Fancy Dark, Fancy and Fancy Light), and throws tone into the equation to boot - resulting in some "grey-blue" actually ranked as "more intense blue"...
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Trinkette
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« Reply #7 on: December 30, 2011, 12:09:37 PM »
Yup.
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Diamondsbylauren
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« Reply #8 on: December 30, 2011, 02:42:40 PM »
I think what we're discussing revolves around the differences in nature of different colors.
That is to say, a diamond graded Fancy Intense Pink seems less "intense" than a diamond graded Fancy Intense Yellow.
Yellow is a stronger color than pink.

That's why I said a pink diamond saturated to an N level is going to be Fancy Light Pink- a Fancy Light Pink is a lot less saturated than a Fancy Light Yellow
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David
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Trinkette
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« Reply #9 on: December 30, 2011, 03:30:28 PM »
Yup. excellent point.
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Diamondsbylauren
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« Reply #10 on: December 30, 2011, 03:37:10 PM »
Thank you trinki-poo!

Check out this new GIF we just got...does it keep rotating for you guys- or do one go around then stop?
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David
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CoutureFemme
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« Reply #11 on: December 30, 2011, 04:10:54 PM »
I like it, nicely done! It stops after one rotation.
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oldmancoyote
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« Reply #12 on: December 30, 2011, 04:48:23 PM »
No rotation at all on Chrome/Win 7...
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clgwli
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« Reply #13 on: December 30, 2011, 04:54:17 PM »
I agree.  I like that it stops at one rotation.  Seems more professional that way.

Seems to be working in my Win7 machine on both Chrome and IE9
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Elaine aka Squiggly
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oldmancoyote
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« Reply #14 on: December 30, 2011, 05:20:55 PM »
This time I actually caught it. It's way too fast on my machine (then again, this little running dog seems to be trying to catch Husain Bolt), but it changes only once (brownish-pink halo ring; Sheryl's, if I'm not mistaken, then the DBL logo).

 animal-smiley-037
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firegypsy
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« Reply #15 on: December 30, 2011, 05:58:51 PM »
it's playing possum for me.   Cry  I'm on firefox.
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Diamondsbylauren
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« Reply #16 on: December 30, 2011, 08:57:23 PM »
How abut this one.....does it keep going?
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David
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clgwli
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« Reply #17 on: December 30, 2011, 09:03:23 PM »
I am on my Android Tablet and that one keeps moving as well as takes much longer to shift from one to the next.  The first is my favorite out of the two.  And as an FYI  the first does move on this browser (stock) as well as Dolphin HD>
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Elaine aka Squiggly
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oldmancoyote
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« Reply #18 on: December 31, 2011, 02:47:17 AM »
This keeps going, and the transitions are slow enough.
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DiamondsAreForever
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« Reply #19 on: December 31, 2011, 06:32:33 AM »
One cycle on the first one, other one is a loop.  Very Nice!  I use Windows 7 and Firefox.
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Trinkette
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« Reply #20 on: December 31, 2011, 07:30:17 AM »
Nothing at all for the first one. The second one keeps on going... and going... and going...

Very old version of Firefox (3.6.25; I may update today) on a Mac OS 10.6.8 w/Intel Core i7
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firegypsy
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« Reply #21 on: December 31, 2011, 07:43:34 AM »
second one keeps going and going.
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Trinkette
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« Reply #22 on: December 31, 2011, 09:28:41 AM »
Same results for me with updated Firefox (v.9.0.1)
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