Synthetic Diamond Fraudulently Inscribed To Match Natural Diamond Report
Diamond Fraudulently Inscribed To Match GIA Diamond Report
My jeweller will not supply me with a certificate from an independent diamond grading laboratory, what should I do?
My jeweller will not supply me with a certificate from an independent diamond grading laboratory
Gemmological Institute of America seven week graduate diamond diploma
The GIA a gemmological organisation will be conducting a seven week graduate diamond diploma from January 8.
