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<p>[QUOTE=&quot;Bronwen, post: 4477549, member: 5833&quot;]The stone is almost certainly a lab-grown color change sapphire from the Soviet Union.&nbsp; Nearly all Egyptian jewllery I have seen with this stone (&amp; I own an embarrassing quantity of it) has been set in 12K, sometimes rose gold.</p><p><br /></p><p>A typical looking 12K mark:</p><p><br /></p><p>[ATTACH=full]388357[/ATTACH] </p><p><br /></p><p>Date letter chart:</p><p><br /></p><p>[ATTACH=full]388358[/ATTACH] </p><p><br /></p><p>Color change sapphires look some shade of purple with peacock blue glints in general mixed lighting, completely blue under some fluorescents, hot pink in incandescent light &amp; red &amp; green if you take them into a dark place with a UV flashlight.&nbsp; Often cameras do not &#039;see&#039; the blue, even when you have it clearly in front of you.[/QUOTE]</p><p><br /></p>

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