GIA 卡尔斯巴德毕业生荣获布契拉提基金会珠宝设计奖
GIA (Gemological Institute of America), together with the Gianmaria Buccellati Foundation, presented the ninth annual Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design on February 6, 2026, to GIA Carlsbad graduate Catherine “Cathy” Aulick.
GIA 前理事 George Rossman博士去世
George Rossman于 2 月 6 日逝世,享年 81 岁。1995 至 2007 年间,他曾担任GIA美国宝石研究院理事会成员,他还是加利福尼亚理工学院 (Caltech) 的矿物学名誉教授。
Susan Jacques荣获 GIA 表彰
11 月初,在加州卡尔斯巴德总部举行的 GIA 理事会会议上,研究院授予 Susan M. Jacques最高荣誉 — Richard T. Liddicoat杰出成就奖。
GIA 升级 iD100® 宝石测试设备,用以筛选粉红色钻石
加利福尼亚州卡尔斯巴德 - 2019 年 9 月 5 日 – GIA 于 9 月 4 日发布了业界领先的升级版 GIA iD100® 宝石检测设备,该仪器能够将天然粉红色钻石与实验室制造 (HPHT 和 CVD) 钻石及钻石仿品区分开来。
2026 AWE & HKCEC
诚邀您莅临香港 HKTDC 展会,探索 GIA 的最新动态,包括仪器示范、零售支持工具、课程查询、现场收检服务及 GIA 宝石学家研讨会等活动。 同时,亦不要错过在会展 GIA展示的珍珠体验专区!
73rd Bangkok Gems & Jewelry Fair Trade Show
Join us at the Bangkok Gems & Jewelry Fair to explore a diverse range of gemstones, jewelry and industry solutions from leading Thai and international suppliers. Discover tools, components, and machinery for the trade, and attend GIA seminars on pearls and colored stone origin determination.
“Worms” in Opal
Near-colorless heulandite crystals in an Ethiopian opal resemble the segmented bodies of worms.
Whimsical Growth Tubes in Tourmaline
Microscopic examination reveals intriguing growth tubes in a copper-bearing tourmaline.
Tourmaline in Tourmaline
A perfectly shaped euhedral tourmaline crystal is identified in a faceted tourmaline.
Dark Red Tantalite Crystal in Greenish Blue Sapphire
The blunt termination of a red manganotantalite inclusion displays a striking contrast against a greenish blue sapphire.
Quarterly Crystal: β-Quartz Morphology in Beryl
An aquamarine crystal from Pakistan contains a pseudomorphic quartz inclusion.
Sea Urchin–Like 3D Radial Fissures in a Heated Mong Hsu Ruby
Examination of a 1.34 ct ruby reveals a unique inclusion formed during heat treatment.
Quarterly Crystal: Almandine-Pyrope Garnet in Diamond
A diamond octahedron from South Africa hosts a rare yellow-orange almandine-pyrope garnet crystal.
Suspended Pargasite Crystal in Pink Spinel
A euhedral prismatic pargasite crystal is identified in pink spinel.
Natural Opal with Unusual Play-of-Color Pattern
Play-of-color pattern in Ethiopian opal is reminiscent of a turtle’s shell.
Gersdorffite in Quartz
Gersdorffite inclusions in quartz exhibit either triangular or hexagonal shapes when viewed from different directions.

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