A dialogue on the historical past of artificial diamonds, synthesis strategies, the worth and grading of synthetics, and naturally, determine them with John Chapman BSc MAIP and Sarah Claire Edwards FGA FGAA GP.
source
A dialogue on the historical past of artificial diamonds, synthesis strategies, the worth and grading of synthetics, and naturally, determine them with John Chapman BSc MAIP and Sarah Claire Edwards FGA FGAA GP.
source
