Yet another treatment for corundum!

[DiamondExpert]

Red colored leaded glass injection...http://www.gaaj-zenhokyo.co.jp/researchroom/kanbetu/2004/gaaj_alert-040315en.html

 

[strmrdr]

doesnt suprise me much.
Is this the mystery treatment that has been talked about a lot lately or something else?

 

[mike04456]

It's not something I've heard of before. Seems to me it that would negatively affect the appearance.




The corundum treaters are trying just about everything these days.