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GIA iD100™:轻松快速区分天然钻石和实验室培育钻石 | GIA 知识交流
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人工合成钻石的鉴定方法 | GIA 知识交流
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如何鉴定人工优化处理的红宝石和蓝宝石 | GIA 知识交流
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X 射线及其在宝石学中的应用 | GIA 知识交流
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Ao vivo | A era dos robôs chegou - e a CES mostra o futuro! | 09/01/2025 | #OlharDigital
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Natural Yellow & Orange Diamonds | GIA Knowledge Sessions Webinar Series
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Inteligência Artificial - O Segredo do Sucesso Profissional
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1:10:44