GIA Gem Encyclopedia | Complete List Of Gemstones
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research.
Gemological Institute Of America | All About Gemstones - GIA
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
The British Royal Jewels: Beautiful and Historic Gems - GIA
These gems are not only beautiful, but have a rich history and distinct gemological allure. The Crown of Queen Elizabeth The crown of Queen Elizabeth, the queen mother, features the famous 105.6 carat Koh-I-Noor diamond, which came to Queen Victoria in 1850 from Duleep Singh, the last Maharaja of the Sikh Empire.
Gemstones in the Era of the Taj Mahal and the Mughals | Gems
This article sheds light on the gems used in decorating the Taj Mahal and in the extraordinary jewelry collected by Shah Jahan and other Mughals. These gems often took intricate trade routes to Agra, which are also discussed, along with the craft used to create the inlays and the efforts undertaken to preserve this Wonder of the World.
Wedding Anniversary Gemstone List: Years One through 10 - GIA …
2016年6月21日 · There is no single authoritative wedding anniversary gemstone list. However, based on similar lists that we’ve found, we’ve made some selections for wedding anniversary gems to help you find that perfect jewelry gift for your loved one. 1st Wedding Anniversary Gemstone: Gold
The Smithsonian Gem and Mineral Collection | Research & News
2013年11月14日 · Dedicated to the earth sciences, it houses one of the world’s largest gem and mineral collections, including such world-famous gems as the Hope diamond, Logan sapphire, and Rosser Reeves star ruby, along with countless thousands of less-famous but equally spectacular gem and mineral specimens.
Gem Tour of America - Gems – Mines – Museums - GIA
Gems found at the site include emerald, aquamarine, sapphire, garnet, topaz, amethyst, citrine, rutile and tourmaline. Prices depend on the type of digging you want to do. emeraldhollowmine.com
Jaipur, India: The Global Gem and Jewelry Power of the Pink City
In 2015, a field team from GIA visited the Indian city of Jaipur to capture the full scope of its gem and jewelry industry: colored stone cutting, wholesale trading, jewelry design, manufacturing, and retail.
The Museum of London’s Extraordinary Cheapside Hoard
An astonishing collection of jewels, discovered by chance in 1912 after centuries of concealment, is on display at the Museum of London. Nearly 500 pieces, including jewelry, loose gems, and functional items, offer a unique glimpse into the global trade and use of gems in the 1600s. INTRODUCTION
GIA iD100 Gem Testing Device - Gemological Institute of America
The GIA iD100 ® gem testing device combines advanced spectroscopic technology and more than 60 years of GIA diamond and gemstone identification research to deliver a sophisticated and easy-to-operate desktop instrument to screen your stones. Small, yet powerful, the GIA iD100 gives you a simple and clear determination in under two seconds and ...