A Study of the Winston Red: The Smithsonian’s New Fancy Red Diamond
Presents the first scientific and historical study conducted on the 2.33 ct Winston Red, the fifth-largest known Fancy red diamond in existence.
“Enhydro” Amethyst from Morocco
A rare find of Moroccan amethyst with eye-visible fluid inclusions is spotted at the Pueblo show.
Heated Corundum, the Remarkable Winston Red, and an Extraordinary Renaissance Jewel
An overview of the Spring 2025 Gems & Gemology content.
Rare Gem-Quality Viitaniemiite
“Rime Ice” on Trees in Jeremejevite
Crystal inclusions in a natural diamond resemble a unique scene.
Surfite: A Surfboard Manufacturing Byproduct
Crystal inclusions in a natural diamond resemble a unique scene.
G&G in a Flash: Glowing Gems - What Does Fluorescence Tell Us?
Learn about the principles, mechanisms, and characteristics of luminescence that create the impressive and memorable glow of gemstones.
GIA GemKit 将宝石科学带入不同课堂
全球青少年学生现可通过 GemKids® 推出的 GemKit™ 体验宝石与矿物的奇妙世界。该在线信息活动宝库由拥有 90 年历史的全球宝石与珠宝教育领导者美国宝石研究院 (GIA®) 倾力打造。
GIA GemKit 将宝石科学带入不同课堂
全球青少年学生现可通过 GemKids® 推出的 GemKit™ 体验宝石与矿物的奇妙世界。该在线信息活动宝库由拥有 90 年历史的全球宝石与珠宝教育领导者美国宝石研究院 (GIA®) 倾力打造。
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