Internal Growth Tubes Inclusion Photography
Internal Growth Tube inclusions are natural Imperfections that are created during diamond formation, when a tube or tunnel is generated in the crystalizing diamond by an internal cavity that was once liquid filled.



Comet-Like Growth Tube Inclusions under UV Light

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 growth tube 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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