Gemological Institute Of America | All About Gemstones - GIA
WEBEstablished in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Natural Diamonds | Diamond Stone – GIA C
WEBGet to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
GIA - Report Check
WEB<link rel="stylesheet" href="https://use.typekit.net/aoe4wgi.css"/><link rel="stylesheet" href="https://use.typekit.net/heg5qxh.css"/> <iframe src="https://www ...
GIA - Report Check
WEBANALYSIS & GRADING Report Check. GIA reports represent the highest standard of reliability, consistency and integrity. And now, GIA Report Check is available for all GIA reports, providing you with an additional level of assurance.
Birthstones | Birthstone by Month - GIA
WEBBirthstones are a fun, popular and colorful introduction to the world of gemstones. They appeal to audiences around the world regardless of gender, age, nationality or religion. Birthstones carry secrets, attributes and lore that are unique to each gemstone. There are countless myths and legends ...
GIA Gem Encyclopedia | Complete List Of Gemstones
WEBGem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & research.
My GIA
WEBMy Laboratory & GIA Laboratory Client Portal. Now featuring one log in for My Laboratory and the GIA Client Portal. Maintain your laboratory account information and grading results online. You can manage your team members and provide access to My Laboratory, update payment preferences, view open balances and create shipping memos.Also, view and manage the status of your items being graded at a ...
Ruby Quality Factors | The Color Range of Ruby | GIA
WEBFine-color, large, and eye-clean (lacking visible inclusions) rubies like this 11.01carat (ct) stone from Myanmar (formerly known as Burma) are extremely rare and valuable. – Photo: Robert Weldon/GIA. Courtesy: Jan Goodman Co Ruby can command the highest prices of any colored gemstone. The per ...
Sapphire Quality Factors | Different Types & Colors of Sapphire - GIA
WEBSapphire is one of the big three of colored gemstones (the other two are ruby and emerald). This durable gemstone captures jewelry buyers with its practicality and aura of romance. Click here and learn about the factors that make sapphire so desirable!
Alexandrite Gemstone | Natural Alexandrite Stone - GIA
WEBAlexandrite Gemstone is a rare variety of the mineral Chrysoberyl & is a strongly pleochroic gem. Color-changing alexandrite is nature’s magic trick.