Richard T. Liddicoat Award for Distinguished Achievement

GIA honours its chief research gemologist with Richard T. Liddicoat Award

GIA honours its chief research gemologist with Richard T. Liddicoat Award

diamond world news service

07 Jan 2010

1 min read

GIA honours Ralph Destino with its highest accolade

GIA honours Ralph Destino with its highest accolade

diamond world news service

28 Nov 2008

2 min read

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