了解珍珠的耐用性以及如何保养您的珍珠首饰

A researcher, author, and instructor regarded as a

For more than 30 years, the beauty of science has found expression in every issue of Gems & Gemology, thanks in large part to one influential editor and innovator, Alice Keller.

A pioneer in the field of photomicrography and the study of inclusions led to groundbreaking changes in the study of gems.

GIA AGS Ideal^® 鉴定报告

周大福和 GIA 将于 2022 年 10 月 31 日停止GIA 区块链钻石鉴定报告服务。

Deakin & Francis（迪肯和弗朗西斯）有着悠久的家族传统——已经传承了七代。 这座工作坊由 Charles Washington Shirley Deakin（查尔斯·华盛顿·雪利·迪肯）于 1786 年在英格兰伯明翰建立，自建成起，就在设计和制造全球最精致的袖扣。

World-renowned gem identification expert who guided GIA's lab services to the forefront of gemological research.

菊石：时尚的化石

Honey yellow. Fiery orange. Cyclamen pink. Icy blue. In warm or cool tones, topaz is a lustrous and brilliant gem

从小对宝石和矿物的热爱造就了 GIA 图书馆的转型和持久的卓越声誉。

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides guidelines for submitting manuscripts for publication to the Gems & Gemology journal.

根据 GIA 珠宝制造艺术讲师制作的教学视频学习各种技巧和要诀。

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology