CONTENTS Issue #438 | MARCH/APRIL 2023 18 Responsible sourcing in the coloured gemstone business 彩色宝石行业的负责任采购 8 DIGEST 市场指标 8 Gübelin Gem Lab launches AI system for coloured gemstone analysis 古柏林宝石鉴定所推出AI驱动的 彩色宝石分析平台 25 PERSPECTIVE 精辟视野 25 RJC’s responsibility in the ESG dialogue RJC于环境、社会和治理范畴的 责任与承诺 10 FOCUS 焦点 10 ESG in the jewellery trade 珠宝行业的环境、社会和治理
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