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May 23, 2012, 04:03:18 PM
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Author Topic: I am dumb and I know it  (Read 946 times)
dovesgate
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« on: May 21, 2011, 12:42:44 AM »

Got your attention didn't I? Kiss  Roll Eyes

I have a question about clarity grading at GIA. Taking my new wedding ring for example, when looking at it with the naked eye, it looks clean. When using a 10x loupe, it looks clean (well, I probably wouldn't notice feathers anyway since I can barely see them even on the pictures David diagrams in the instructional posts in here), but when I look at it with a 30x loupe I can see carbon.

So my question is, does GIA only use a 10x or do they magnify as high as possible to map out every single inclusion? I am sorely tempted to send her off to find out her stats and what she is really worth but I am scared to, knowing that I've seen carbon in her.
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oldmancoyote
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« Reply #1 on: May 21, 2011, 04:15:27 AM »

Diamonds are graded (and plots populated) using 10x magnification. Nothing more powerful. And nothing more arbitrary. Why not 20x? Or 100x?

A tunnelling electron microscope would find a lot of gaps, substitutions and inclusions in the atomic lattice of the most flawless of flawless diamonds. Which is why I find the whole notion of clarity grades above VS2 is purely a marketing ploy.
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Kris43
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« Reply #2 on: May 21, 2011, 08:16:33 AM »

OMC- You're a human computer I swear. Are there any topics that elude you? Not to get to personal but I'd be shocked if you weren't a professor of some sort. If not then the educational system surely missed out on you. Glad we didn't! I love reading all of your posts. I feel so much more informed and educated after. Thanks again for sharing! Kris
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oldmancoyote
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« Reply #3 on: May 21, 2011, 08:47:08 AM »

Beep. Whirr. Clunk. (Thank you. Too kind.)
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dovesgate
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« Reply #4 on: May 21, 2011, 12:56:02 PM »

Isn't he the best?!  sultan

I did try googling it but that search didn't go so well so I came here because I knew someone would be able to tell me.

I do so love this website. So many pretties to look at and people who are much more knowledgeable are willing to share their insight about those pretties.  heart2
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saqsay1
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« Reply #5 on: June 01, 2011, 09:43:54 AM »

Beep. Whirr. Clunk. (Thank you. Too kind.)

Now forgive me in advance. This is not meant to offend anyone... but I am always looking to have a little fun at OMC's expense. The above post reminds me of OMC as the Terminator. I just can't resist.  Grin

If you've seen any of the Terminator movies, you'll know that the bottom pic is what a terminator sees when asked a question..... Evil


* terminator-2-posters.jpg (32.17 KB, 313x450 - viewed 118 times.)

* terminator-vision.jpg (14.76 KB, 480x360 - viewed 120 times.)
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"If the US government were placed in control of the Sahara Desert, it would run out of sand in 25 years."
oldmancoyote
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« Reply #6 on: June 01, 2011, 09:44:59 AM »

I look more like a Dalek, so a Terminator is a definite improvement.

Also, the bottom screen is missing the Fancy Intense Yellow / VS1 option.
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saqsay1
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« Reply #7 on: June 01, 2011, 09:58:33 AM »

I better go get the stick out.............  a082
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"If the US government were placed in control of the Sahara Desert, it would run out of sand in 25 years."
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