Diamond’s Spectral Constellation

Discover the  ‘Diamond’s Spectral Constellation’.  Michael D. Cowing explains why the ‘Spectral Constellation’ is the ‘nexus’ connecting a diamond cut’s light performance and its illumination and why it is the key to understanding the occurrence of fire in a diamond when used as a gemstone optical analysis technique.

Diamond’s Spectral Constellation


ACA Gemological Laboratory

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