柘榴石是一组密切相关的矿物，从而使该宝石几乎拥有每一种颜色。

Thousands of years ago, red garnet necklaces adorned the necks of Egypt’s pharaohs, and were entombed with their mummified corpses as prized possessions for the afterlife.

Learn about garnet's durability and how to care for your garnet jewelry.

Often thought of as a deep red gemstone, garnet can also be yellow, orange, green or brown – any color except blue.

Learn about the factors that make garnets so desirable.

维姆‧维特瑞斯特谈论实地宝石学的最新发展：马达加斯加北部的蓝宝石及翠榴石

Learn about Texas topaz history and geographic origin research.

Discover a bicolor chameleon diamond, a diamond with carbon dioxide, and a pink square inside a diamond.

Learn all about the gems of Northern Madagascar in this exciting video with Wim Vertriest, GIA Manager of Field Gemology.

GIA 毕业生 Franco Valobra（佛朗哥·瓦洛布拉）打造纪念别针，以表彰抗击新冠病毒的一线医护人员。