Internal Graining Diamond Inclusion Photography
Internal Graining (IntGr) inclusions are caused by irregular crystal growth which creates internal distortions, waviness, or haze. Internal Graining imperfections may be accompanied by internal strain such as feather Inclusions.
Internal Graining with Cloud Inclusion
All of the microscopic diamond inclusion photography on this page was generously contributed by the AGSL gemological testing laboratory in Las Vegas, Nevada, and is reproduced with their permission.
Diamond internal graining inclusion photography by Joe Vanells, Director of Gem Services at AGSL. No reproduction without written permission from AGSL - All rights reserved.
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