Information Links
Below are some useful links for research.
Laboratories
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Gemological Institute of America (GIA) -
Hoge
Raad voor Diamant (HRD) -
European
Gemological Laboratory (EGL) -
American
Gemological Society Laboratory (AGS) -
American
Gemological Laboratories (AGL) -
American
Gemological Trade Association (AGTA-GTC)
Other Valuable Links
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sellgoldformore.com
Buyers of precious metals, coins, jewelry, etc. -
selldiamondsformore.com
Buyers diamonds