Diamond News
Three rough and one faceted garnet were submitted to GIA's Carlsbad laboratory. Upon examination, the...
GIAThree rough and one faceted garnet were submitted to GIA's Carlsbad laboratory. Upon examination, the stones displayed obvious color change from yellow-green under daylight-equivalent lighting to orange-brown under incandescent illumination, similar to the behavior reported for some color-change garnets from Sri Lanka. See what further testing revealed in the Summer 2018 issue of Gems & Gemology. http://bit.ly/2N9Wd4R http://ow.ly/i/Ie2W6
