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.