Gli sponsor della Conferenza di Gemmologia Napoli 2025

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IGI International Gemological Institute Italy (Italia/Belgio)

Martinez Diamanti (Parma, Italia)

AGA - Accredited Gemologists Association (Stati Uniti)

Petramundi (Valenza, Italia)

Agemina Gioielli (Marcianise, Italia)

Bottazzi Tech (Vicenza, Italia)

Chirico Gioielli (Marcianise, Italia)

Diamonds Online (Marcianise, Italia)

Enzo Liverino 1894 (Torre del Greco, Italia)

Gemmarum Lapidator (Cavalese, Italia)

Gem-Tech Istituto Gemmologico (Marcianise, Italia)

Istituto Gemmologico Nazionale (Roma, Italia)

Loma Orodolomiti (Ponte nelle Alpi, Italia)

MagiLabs (Finlandia/Stati Uniti)

Masterstones Centro Analisi Gemmologiche (Roma, Italia)

Minieri Gemme (Napoli, Italia)

Valentini SRL (Valenza, Italia)