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Author Topic: A beautiful Chameleon Diamond  (Read 1036 times)
Diamondsbylauren
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« on: November 29, 2011, 08:57:21 PM »
This one is rare for a few reasons
1) It's a nicely cut round- many chameleons ore fancy shapes
2) It's GIA graded VS2 clarity - many chameleon diamonds are "clarity challenged"
3) it's very brilliant because it's a light color- many chameleon stones are darker

Here she is...






ITEM #: R4242
Round Brilliant Diamond, Loose

  WEIGHT: 0.70ct
  SHAPE: Round Brilliant
  COLOR: Fancy Greenish Yellow-Gray CHAMELEON
  CLARITY: VS2
  MEASUREMENTS: 5.75 - 5.72 x 3.46 mm
  TOTAL DEPTH: 60.3%
  TABLE SIZE: 61%
  POLISH: VG
  SYMMETRY: G
  FLUORESCENCE: Strong Yellow
  GIA REPORT #: 17161306

Price: $8950
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David
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greeneyedbass
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« Reply #1 on: November 29, 2011, 10:04:16 PM »
Love love love this one. Round, clean, and chameleon. This one has my name written all over it.
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Sweet Pea
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Better a diamond with a flaw than a pebble without
« Reply #2 on: November 29, 2011, 10:20:55 PM »
I love the rainbow of colors it exhibits even when just sitting there in relatively dim light -- what a lovely and unusual stone!  And strong *yellow* fluorescence?!  Would love to see a picture of it under a UV light. (I'm such a sucker for a glow-in-the dark stone...)
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"I will put the diamond chain round your neck, and the circlet on your forehead, which it will become: for Nature...has stamped her patent of nobility on this brow, Jane; and I will clasp the bracelets on these fine wrists, and load these fairy-like fingers with rings." ~ Edward Rochester, Jane Eyre
dovesgate
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« Reply #3 on: November 29, 2011, 10:22:24 PM »
Whoa! That is so cool! It looks like confetti.
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firegypsy
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« Reply #4 on: November 29, 2011, 11:00:25 PM »
this is such a cool stone.  man, I never knew half of these diamonds were even possible.  I should walk away now.....
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clgwli
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« Reply #5 on: November 30, 2011, 07:50:51 AM »
*sigh* I only wish I could get this stone....
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Elaine aka Squiggly
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Diamondluvr
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« Reply #6 on: November 30, 2011, 10:37:11 AM »
Lovely stone D!  Do you have plans how to set it?
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She has spent her life best... who has enjoyed it most.
dovesgate
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« Reply #7 on: November 30, 2011, 10:59:54 AM »
Quote from: Diamondluvr on November 30, 2011, 10:37:11 AM
Lovely stone D!  Do you have plans how to set it?

That's a good question.
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Trinkette
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« Reply #8 on: November 30, 2011, 03:34:13 PM »
Ohhhhhhhhhhhhhhhh...
D, SUCH an unusual and exquisite beauty! It hurts me to leave this behind. 

Bawling Confused42 Bawling
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flyingdiamonds
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« Reply #9 on: November 30, 2011, 06:18:29 PM »
I saw this stone in person and i have to say these pictures don't make it look 50% as good as it does in real life!  (no offense David)
It sparkled like something out of this world... I only wish i could have taken it home with me!  I hope it finds a good home!
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flyingdiamonds
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« Reply #10 on: December 02, 2011, 10:20:00 PM »
I have been doing more research on Chameleon diamonds and have a question hopefully someone can help me with....

When we look at any colored diamond we grade them  from a FL to a Fancy to a FI to a FV.  And usually with this is an increase in value.  FV being the most expensive.. Obviously other factors play a part in the pricing of a diamond but I am trying to understand the pecking order with chameleon diamonds....

From what i understand just about every chameleon diamond contains gray, green and yellow....

What i find are the following...

Fancy Greenish yellowish Gray,
Fancy Grayish Greenish Yellow
Fancy Grayish yellowish green......

The later two are more common and the first one i have only seen Davids Incredible Chameleon!!!!
Is there a pecking order to this?  My understanding is the last color is the base color so the gray diamond being the lightest, then yellow then green... And to me that makes sense based on a grey diamond usually costing less then a green.

I just wondered if anyone had any input on if one is better then the other or more valuable then the other....  of course all other things considered - but just like a vivid usually costs more then an intense does the base of green usually cost more then the diamond with a base of gray? 

chameleons also exhibit strong white and strong Yellow florescence... Is one worse then the other???

Also I had read that they have found Chameleon diamonds in the Argyle mine.... Does anyone know if this is true?Huh?

Look forward to any input.
Thanks
Flying Diamonds
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oldmancoyote
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« Reply #11 on: December 03, 2011, 06:02:57 AM »
Quote from: flyingdiamonds on December 02, 2011, 10:20:00 PM
[snip]Is there a pecking order to this?
In theory yes, but not necessarily. The overall attractiveness of the stone will have a stronger effect.

Quote
I just wondered if anyone had any input on if one is better than the other or more valuable than the other....  of course all other things considered - but just like a vivid usually costs more then an intense does the base of green usually cost more then the diamond with a base of gray?
Again, yes but - not least because the "green" portion in chameleons is inextricably associated with grey, because of the origin of the green colouring (hydrogen inclusions), which is different from that typically encountered in pure green diamonds. So, a more intense green will also be significantly darker because of more grey associated with it, and that may well cause the diamond to be less attractive overall.

Quote
chameleons also exhibit strong white and strong Yellow florescence... Is one worse than the other???
In what sense "worse"? Fluorescence is not "bad" per se, and in chameleons it is pretty much unavoidable because of the characteristics of the diamond that give rise to the colour change effect.

Quote
Also I had read that they have found Chameleon diamonds in the Argyle mine.... Does anyone know if this is true?Huh?

[snip]
This would surprise me quite a bit - Argyle diamonds are Type II (no nitrogen), while chameleons must contain nitrogen to show the "yellow" part of the colour change. It is not impossible - and there may well be other mechanisms to obtain a colour change than the greenish/yellow one - but it would be surprising.

If you are interested, here is a good presentation on chameleon diamonds, the origin of the colour change and all:

http://gsa.confex.co...ngredirect.cgi/id/14

it's a 15 minute Webex recording well worth watching/listening to.
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DiamondsAreForever
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« Reply #12 on: December 03, 2011, 08:46:26 AM »
It was very interesting.  Thanks, OMC.
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flyingdiamonds
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« Reply #13 on: December 03, 2011, 09:03:18 AM »
OMC that was an amazing presentation! Thanks so much....
What i didn't understand was that Green in the Chameleons is different then Green in a green diamond.... So to assume that since the base color is green in a chameleon  - it therefore should cost more (because green diamonds cost so much) really isn't true... since natural green diamonds are green from natural irradiation source......

So at the end of the day to find a truly beautiful chameleon diamond, that sparkles and is a lovely color is way more important then buying a chameleon diamond that has green as the base - because you think its a better investment.  

From what i can see  - out of all the studies and listings of chameleon diamonds to find a yellow green gray is way more rare!  So it truly is a great find... and at the end of the day David's diamond was probably the prettiest diamond I have even seen.... So how can you put a price on that eh?!  


What i wonder though is how strong the thermochromatic change is....It seems the darker the diamond to start with the stronger the color change.... Maybe if he gets a chance to heat it up he can let us know!


Thanks again for all the input!
FD
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