Diamond with Concentric Inclusions
A fancy-color diamond shows inclusions that outline growth layers.
Coesite Inclusions with Filaments in Diamond
Inclusions with unusual formation are found in a treated Fancy Vivid yellow diamond.
Unusual Purple Inclusion in Emerald
Microscopic examination of an emerald revealed a purple banded inclusion with the appearance and optic character of fluorite.
Diamond Inclusion with Radiation Halo
A diamond’s inclusion, with a radiation stain shaped like a halo, is found to be monazite.
Graphite Inclusions Forming Octahedral Outline in Diamond
An inclusion outlined by minute graphite crystals within a diamond create an octahedral shape.
Large Faceted Hibonite
A hibonite of unusual size examined in the Carlsbad lab is host to a spinel inclusion.
CVD Synthetic Diamond with Unusual Inclusions
Examination of a CVD synthetic diamond with an unusual pattern of growth dislocations that resemble natural inclusions.
Diamond in Diamond
A Fancy black round brilliant diamond has an inclusion that is revealed to be a natural diamond crystal.
Spinel Inclusion in Spinel
Examination of a pink-purple spinel revealed what appeared to be a spinel crystal inclusion.
Xenotime Inclusion in Yellow Diamond
Presents what is believed to be the first report of a xenotime inclusion in gem-quality diamond.