GIA调整培育钻分级体系:模糊评级致退货率升45%,天然钻石价值凸显

南方财富网
Oct 14

近期全球钻石行业迎来标准变革。美国宝石研究院(GIA)宣布10月1日起取消培育钻石4C分级,比利时钻石高层议会(HRD)叫停培育钻石裸石分级报告,国际珠宝首饰联合会(CIBJO)拟修改《钻石蓝皮书》删除“实验室培育”表述。三大权威机构的联动调整,在业内引发震动,更清晰划定了天然钻石的独特价值坐标。作为全球宝石鉴定领域的标杆,GIA的改革具有里程碑意义。自2025年末起,培育钻石将仅获“优质”或“...

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