Raman spectroscopy and low resolution spectrometry do not work in
this case. Fortunately, some secondary physical properties of synthetic
diamonds do differ from those of natural diamonds in subtle details.
These differences originate from the different mechanisms of growth
of synthetic and natural diamonds and different conditions these dia-
monds had experienced in their post-growth history. They can be de-
tected using high resolution low temperature optical spectroscopy.
Accumulation of the data on specific spectroscopic features of synthetic
diamonds is the way to meet the challenge of reliable recognition of
synthetic diamonds. Yet, this data, however extensive, can be never
comprehensive. The rapidly developing technology of diamond growth
constantly involves novel approaches, novel materials and novel post-
growth treatments. Thus the diamonds grown by different producers
may possess considerably different spectroscopic features. In order to
keep up with the variety of synthetic diamonds penetrating into the
natural diamond market and to be ready to provide adequate protection
of it, gemological laboratories must conduct systematic research on syn-
thetic diamonds and constantly keep eye on the new technologies used
for diamond synthesis.
Raman spectroscopy and low resolution spectrometry do not work inthis case. Fortunately, some secondary physical properties of syntheticdiamonds do differ from those of natural diamonds in subtle details.These differences originate from the different mechanisms of growthof synthetic and natural diamonds and different conditions these dia-monds had experienced in their post-growth history. They can be de-tected using high resolution low temperature optical spectroscopy.Accumulation of the data on specific spectroscopic features of syntheticdiamonds is the way to meet the challenge of reliable recognition ofsynthetic diamonds. Yet, this data, however extensive, can be nevercomprehensive. The rapidly developing technology of diamond growthconstantly involves novel approaches, novel materials and novel post-growth treatments. Thus the diamonds grown by different producersmay possess considerably different spectroscopic features. In order tokeep up with the variety of synthetic diamonds penetrating into thenatural diamond market and to be ready to provide adequate protectionof it, gemological laboratories must conduct systematic research on syn-thetic diamonds and constantly keep eye on the new technologies usedfor diamond synthesis.
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