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Rainbow reflecting diamonds??

jmi626

Rough_Rock
Joined
Aug 7, 2012
Messages
32
Hello all,

I was looking around PS and stumbled upon LKNVRB4 beautiful diamond!!

LKNVRB4, hope you don't mind me snipping your image.. if this is not allowed I will take the image down..



So, I love how you can see colors in the reflection, and I was wondering what do I need to look for in order to have that kind of look?
Are these colors referred as "fire" or "scintillation" ?

Is this due to the florescence, or the J color, or will certain cuts reflect this way??

Can any diamond expert please point me to a link if this was a previously discussed topic?


Thank you Thank you,, hope somebody can explain this to me..

rainbow_diamond.png
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225
Some diamonds, like 60/60's give off more white light. Some diamonds, those with smaller tables and higher crowns like Tolks., lean toward colored light. That plus good photography, and making sure that the stone has a lot of color to reflect is what you are seeing there I suspect. My Brian Gavin Signature diamonds were very good about giving off colored light. So if you want that look you want a stone with a smaller table and a higher crown.

If you want the most colored light though, IMO, you should appreciate old cuts. I have never seen any MRB that can complete with the best cut OECs for colored light reflection. They are like rainbow machines because of the high crowns and larger facets. [URL='https://www.pricescope.com/community/threads/oec-solitaire.135193/']https://www.pricescope.com/community/threads/oec-solitaire.135193/[/URL]

_9084.jpg

p1130335.jpg

AVR (August Vintage Round):
p1130334_2.jpg

Here's an AVR that will combine the faceting of an old cut with the light performance of an ideal cut:
http://www.goodoldgold.com/ecommerce/1-25ct-e-vs2-august-vintage-round-diamond.html
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225
o_img_2.jpg
 

jmi626

Rough_Rock
Joined
Aug 7, 2012
Messages
32
Gypsy|1447826804|3951149 said:
Some diamonds, like 60/60's give off more white light. Some diamonds, those with smaller tables and higher crowns like Tolks., lean toward colored light. That plus good photography, and making sure that the stone has a lot of color to reflect is what you are seeing there I suspect. My Brian Gavin Signature diamonds were very good about giving off colored light. So if you want that look you want a stone with a smaller table and a higher crown.

If you want the most colored light though, IMO, you should appreciate old cuts. I have never seen any MRB that can complete with the best cut OECs for colored light reflection. They are like rainbow machines because of the high crowns and larger facets. [URL='https://www.pricescope.com/community/threads/oec-solitaire.135193/']https://www.pricescope.com/community/threads/oec-solitaire.135193/[/URL]


Oo la laaaa... these are so gorgeous.. Thank you Gypsy!
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225
Yeah. They are. Once you fall in love with them....

I have a new one (new to me) on my hand right now. One of the prettiest OEC's I've ever seen.



It's not the J color. It's not the fluorescence. It's the cut. And the photography. And what the stone is reflecting. Diamonds reflect.
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225

jmi626

Rough_Rock
Joined
Aug 7, 2012
Messages
32
Gypsy|1447831800|3951174 said:


Of course I like the one that's out of my budget :rolleyes: :rolleyes: the second one is really pretty..

Gypsy, when you say high crown, how high can it go? 36? or even higher?
Thanks for looking at diamonds for me :D...
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,225
I don't know that I've seen many with crowns over 36 having ideal/ excellent light performance. The angles have to balance each other correctly. I think I've seen 36.5 work out a couple times but that's about it.

I'm not an angles expert thoigh. Someone like John Pollard or Yssie woukd be more help with that.

And you are welcome.

I always like the out of budget ones too.
 

jmi626

Rough_Rock
Joined
Aug 7, 2012
Messages
32
lknvrb4|1447845334|3951202 said:
JMI626, snip away, it is a really pretty picture! :D


lknvrb4 Thank you! I kept going back to your OP to look at your diamond again and again. Your diamond is so beautiful! :love:
 

thecat

Brilliant_Rock
Premium
Joined
Mar 19, 2014
Messages
1,483
Bring your diamond under a tree and you will get a rainbow. But it's so hard to capture on photos.
 
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