Gemological Institute of America (GIA)

Established in 1931, GIA is the world’s largest and most respected nonprofit institute of gemological research and learning.

Conceived 75 years ago in the grand tradition of Europe’s most respected institutes, GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA Laboratory and GIA Instruments) gemological knowledge to ensure the public trust in gems and jewelry.

visit website

European Gemological Laboratory (EGL)

EGL USA is one of the world's premier independent gemological laboratories.  For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone purchases.

visit website

City Search

From New York hotels to Chicago restaurants, Los Angeles shopping to San Francisco night clubs, Citysearch will help you find what you're looking for, wherever you may be. Read dining and entertainment ratings and reviews, and browse the Citysearch Yellow Pages to find recommended shops and services near you. Choose a city below to get started.

visit website