Needle Inclusion Photography
Internal Needles (Ndl) or needle inclusions are natural rutile-like needle shaped inclusions within the diamond.

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 photography by Joe Vanells, Director of Gem Services at AGSL. No reproduction without written permission from AGSL - All rights reserved.
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