Kathryn Kimmel
The first woman on the executive team and head of GIA’s innovative marketing and public relations efforts for nearly 30 years.
Roy Bassoo
Bassoo specializes in Understanding the spatial distribution and geological causes of defects in green diamonds
GIA Gübelin(古柏林)宝石项目:刚玉
几千年来,红宝石和蓝宝石(通常为蓝色,有时也有各种其他颜色)一直都是最重要的有色宝石。这些刚玉族矿物包含各种颜色类别,历史上原产于东南亚和中亚地区,如今由于它们珍贵稀有、色彩瑰丽、坚硬耐磨,已经成为备受追捧的宝石。由于有向分布的矿物内含物,刚玉可以呈现出星光和猫睛光,在不同的光源下观察时,有时还会变色。

GIA® 在迪拜开设鉴定所
GIA® Laboratory FZCO is located in the important global diamond center of Dubai and will provide diamond services with limited capacity.
Secrets of a Master Gem Cutter
For more than two decades, former plumber, welder and jewelry store-owner Dyber has been dazzling the world with his brilliant stone carvings ranging from sizes that fit in the palm of the hand to 12-lb quartz behemoths that can dominate a room.
Developing Tanzania's Gem and Jewelry Industry
A native of Kenya, Susie Kennedy teamed up with her husband in the 1990s to establish their place in the gem industry.
Summer 2022 G&G Publication Information
This document provides the publication information for Gems & Gemology
Summer 2023 G&G Publication Information
This document provides the publication information for Gems & Gemology

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