Williamson Mine, Tanzania
16mm x 15mm x 15mm
Complete octahedral Diamond crystal with lots of trigonal hillocks on the surface. Translucent with gem zones.There are inclusions taht make this look darkerand yellowish in ambient light, but when backlit (see photo), it appears more white. Large diamonds such as this are now hard to come by. Weighs 17.8 carats.
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