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Color Depth Difference between Fancy Light Yellow and Y~Z https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=7&t=16063 |
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Author: | roshanravan [ Thu May 31, 2012 11:38 am ] |
Post subject: | Color Depth Difference between Fancy Light Yellow and Y~Z |
i would glad to know your opinion on FLY diamonds as you all know Light Yellow In GIA Color Grading is from S to Z which Y~Z range is the most saturated in yellow, The GIA's Fancy Grades Are: • Faint • Very Light • Light • Fancy Light • Fancy • Fancy Intense • Fancy Vivid • Fancy Dark • Fancy Deep Color Grading of Colored Diamonds is done only from Face-Up view. so what does qualify a Light Yellow Diamond to fall into Fancy Grade or Y~Z. IMHO the only difference between Y~Z and FLY is about how Cut of the diamond shows more color depth Face-Up. Y~Z color Diamonds are beautiful as FLY Diamonds but there is big difference in their price. In the Colored Diamonds grading there is no Faint/Very Light/Light grades for Yellow diamonds and i think there should be no FLY Grade too because they are actually the same color, only different is in luster from face-up . |
Author: | Alberto [ Fri Jun 29, 2012 5:16 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
hola Farshid, agree on all what you said above, i would leave a little thought though..... Cape series are almost always affected by nasty greenish overtone in low grades, Fancy yellows usually can have that as a component but in not so dramatic way. Of course Fancy greenish yellows are widely available comparing to more pure yellows but their price, you know is FAR lower..... ciao albé |
Author: | Egor Gavrilenko [ Fri Jun 29, 2012 5:41 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
Has anyone ever seen X, Y, Z color diamond certificate? Or, let's say, O-Z colors? Do they really exist? |
Author: | Alberto [ Fri Jun 29, 2012 5:55 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
Egor Gavrilenko wrote: Has anyone ever seen Y, X, Z color diamond certificate? Or, let's say, O-Z colors? Do they really exist? oh yes.. i saw a close-to-2 cts radiant reported as fancy light from a BIG lab and, surprisingly got an "S-T" from another BIG lab (i said surprisingly cos, as for my and not only mine experience, the lab who graded it "S-T" is usually "softer than the other one, if you get what i mean... ![]() i even saw a 6+ ct graded S-T by a BIG lab which was slightly lighter in colour than another 5+ cts graded M-N by the same lab............... nevermind Egor........that discussion could last forever............and i'm pretty sure you're familiar, as a working gemologist with such descrepancy aswell.... ![]() ciao albé |
Author: | roshanravan [ Fri Jun 29, 2012 6:20 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
@Alberto Yep, those are Canary Yellow Diamonds and Canary yellow and orange colors are very common in type Ib diamonds which of course Type Ib itself are 0.1% of diamonds and very rare like IIb Egor Gavrilenko wrote: Has anyone ever seen X, Y, Z color diamond certificate? Or, let's say, O-Z colors? Do they really exist? not seen, i sold many, please note after N color (i have N color stone) GIA grades color as a pair range, like this: O~P Q~R S~T U~V W~X Y~Z here is W-X stone: https://myapps.gia.edu/ReportCheckPorta ... ight=1.01# here is Y-Z stone: https://myapps.gia.edu/ReportCheckPorta ... eight=2.00 at the moment i have nice Round 3.19ct S~ T VS1 in my hand, if Brown is Overtone instead of Yellow some dealers call these type of stone as Champagne Diamonds C1 ("Light Champagne") : N,O,P,Q color C2 ("Light Champagne") : R,S,T,U,V color C3 ("Medium Champagne") : W,X color C4 ("Medium Champagne") : Y,Z color C5 ("Dark Champagne") : Fancy Brown C6 ("Dark Champagne") : Fancy Brown to Fancy Dark Brown C7 ("Fancy Cognac") : Fancy Dark Brown |
Author: | roshanravan [ Fri Jun 29, 2012 6:28 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
also found a nice Q-R diamond which it has picture: Attachment: Q-R.jpg [ 80.34 KiB | Viewed 3172 times ] |
Author: | Alberto [ Fri Jun 29, 2012 6:35 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
wow Farshid, what a cut!!! ![]() ![]() ciao albé |
Author: | roshanravan [ Fri Jun 29, 2012 7:01 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
Alberto wrote: wow Farshid, what a cut!!! ![]() ![]() ciao albé yes its very nice EXEXEX stone about H&A you can judge yourself: Arrow Image: Attachment: Arrow Image.jpg [ 7 KiB | Viewed 3170 times ] Heart Image: Attachment: Heart Image.jpg [ 6.76 KiB | Viewed 3170 times ] Asset Image: Attachment: Asset Image.jpg [ 6.98 KiB | Viewed 3170 times ] |
Author: | Alberto [ Fri Jun 29, 2012 7:04 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
woha!!!! stunning cut!!!! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() i see only a side shifting on some pav main facets reflections....... |
Author: | roshanravan [ Fri Jun 29, 2012 7:19 am ] |
Post subject: | Re: Color Depth Difference between Fancy Light Yellow and Y~ |
Thanks Alberto ![]() ![]() let's continue on our main topic. the reason i have started this topic is because for consumers the "Fancy" word itself can be tricky. but in reality there are slight difference between X~Z and FLY color depth mostly same, if cutter decide for a thicker girdle then it make stone from X~Z to FLY! and a lower cut quality diamond can be sold as fancy! |
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