[Jewelry making - Article 00332] - Re: [Orchid] Diamond cuts technicals

[David Huffman]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========

Hi Neil;

>     about Princess cuts...has anyone else noticed that princesses
>     sometimes face up whiter than they actually are? 

    I don't know about princess cuts perticularly, but I've noticed that
    effect in larger stones in general. I just worked on a ring with a 2+
    carat round that, when mounted, looked, face up, like an I color or
    better, but it wouldn't stay that way. I couldn't pin it down. When I
    pulled it and flipped it over on a piece of white paper, you could
    see how yellow it was, a J or worse. Even so, it wasn't that way
    under all light sources I noticed. Next time you get a large stone
    that's looking different colors under different light sources or from
    different angles, try this. Lay the stone, mounted or otherwise,
    table facet down on a small LED flashlight that's on. You'll get a
    surprise. Hope some GIA folks here can explain all this to us "seat
    of the pants" diamontologists. 

David L. Huffman
____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________