Jewelry Directory, related links to jewelry store, diamonds, rings, pearl, silver jewelry, gemstones, antique, vintage, and estate jewelry, jewelry findings and more.
American
Gem - Provides diamond grading services featuring grading
of the diamond cut. Asian
Institute of Gemological Sciences - The AIGS Gemstone Identification,
Grading and Research Laboratory was the first professional gemological
laboratory to be established in Asia in 1978. European
Gemological - Provides diamond, colored stone and pearls certification,
analysis and consultations. GemLab
- Specializes in origin of color determination for fancy colored
diamonds using Raman spectrometer. GemResearch
- Determination of the authenticity and country of origin of a
rubies and sapphires. Global
Gemological - Offers mini and full diamond grading reports
and appraisals for the trade. Realgems
Gemological - Technical advisers, appraisers, gemological
training. Russian Gemological
- Offers gemstone analysis software, gemological education, and
gemological laboratory services.