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GIA Names Sriram Natarajan Senior Vice President of Laboratory Operations
曾任 GIA 印度鉴定所(GIA India)董事总经理的 Sriram 'Ram' Natarajan被任命新职
New Mineral Named in Honor of GIA Governor Dr. Barbara Dutrow
加利福尼亚州卡尔斯巴德 — 2020 年 2 月 26 日 – 新发现的矿物种别 Dutrowite 属于碧玺族,与 GIA 理事 Barbara L. Dutrow(芭芭拉·L.·达特罗)博士同名。
GIA Introduces Expanded Nacre Scale to All Pearl Classification Reports
GIA 现针对所有珍珠分类报告推出扩展的珍珠层评估方法
Accreditation and Licensing
PEARL GRADING LAB CLASS
探究专家如何运用 GIA 的珍珠价值 7 要素 (7 Pearl Value Factors™) 确定 Akoya 珍珠、淡水珍珠、南洋珍珠、大溪地珍珠的品质。
