全球各地的校友参加分会活动并全力支持本行业。 您可通过多种方式加入他们。

在 2011 年的大地震之后，校友会决心带领同行度过动荡时期。 强调帮助校友相互联系的重要性。

A rare mineral is found in a rock crystal quartz host.

A dichroic inclusion within a quartz crystal is found to be chlorapatite.

A yellow cultured pearl necklace is compared to the work of a producer specializing in freshwater pearls of all colors.

Raman analysis identifies unusual inclusions in quartz.

A new source of sapphires is found in the Tigray region of Ethiopia.

Blister pearls attached to shells are seen in both the Bangkok and New York laboratories.

A submission to the New York lab yields an unexpected reaction to long-wave UV radiation.

A rough aquamarine crystal shows an unexpected phenomenon.

A laser manufacturing remnant in a Fancy yellow diamond creates a unique specimen.

Unique natural conch pearls are studied in the New York lab.

GIA 曼谷鉴定所为 41 颗柬埔寨-泰国红宝石出具的分析报告。

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

Review of Ruby & Sapphire: A Gemologist’s Guide

A devitrified glass reminiscent of Victoria Stone is seen during the Tucson gem shows.

春天 2017年拍卖季节看见两个重要的价格记录秋天和固体，如果不上涨，价格为顶部宝石一刀切。

The spring 2017 auction season saw two important price records fall and solid, if not rising, prices for top gems across the board.

设计师应对市场趋势，对钻石的需求超出预期。此外，节日期间的钻石营销宣传也对市场起到推波助澜的作用。