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GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. Learn about gemstones, diamonds, emeralds, peridot, citrine and more from GIA's experts and publications.
- Report Check
Report Check - Gemological Institute Of America | All About...
- Overview
Study at the Gemological Institute of America, the world’s...
- LIST YOUR STORE
Search a city or postal code to find retailers who carry...
- Birthstones
Birthstones are a fun, popular and colorful introduction to...
- Learn How To Buy Engagement Rings
Diamond engagement ring shopping should be a joyous...
- Analysis & Grading
GIA is the world’s most trusted name in diamond grading and...
- Natural Diamonds
Diamond Dossier ®. Full 4Cs assessment. GIA report number...
- Gem Encyclopedia
Gem Encyclopedia is a virtual journey through the science...
- Report Check
Find the nearest GIA office or laboratory in Europe, Asia, North America and beyond. Contact information, hours, services and shipping details for each location.
Gem 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.
GIA is the Largest, Most Respected Nonprofit Source of Gemological Knowledge in the World. gia.edu and 6 more links. Feel Confident in Your Diamond I Mila & Derrick. 1,039,910 views 2 years ago...
- AGS Ideal® Report737 Aufrufe
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- GIA Knowledge Sessions | The Fully Digital GIA Diamond Dossier®10.9K Aufrufe
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- 第39回 GIA Tokyo GemFest: スピネルの歴史と科学3.3K Aufrufe
From the Hope diamond to the Spirit of the Rose, the Taylor Burton and the Lesotho Promise, we are trusted by museums and top auction houses all over the world to grade and research nature’s finest treasures.
Established in 1931, GIA is the world’s largest and most respected nonprofit institute of gemological research and learning. GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA laboratory and GIA Instruments) gemological knowledge to the public.
Engagement Ring Guide: Best Ways to Save Money on a Diamond. Diamonds are valuable purchases, but you can save money on buying one by understanding the 4Cs and other value factors. ….
